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Finding the Fourth Proportional to 897,460.10, 1,346,190.15 and 818,728.10

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Solution

The fourth proportional to 897,460.10, 1,346,190.15 and 818,728.10 is: 1,228,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,460.10 : 1,346,190.15 = 818,728.10 : x
  2. Step 2: Convert to fraction form
    897,460.10/1,346,190.15 = 818,728.10/x
  3. Step 3: Cross multiply
    897,460.10x = 1,346,190.15 × 818,728.10
  4. Step 4: Simplify right side
    897,460.10x = 1,102,163,703,748.21
  5. Step 5: Solve for x
    x = 1,102,163,703,748.21/897,460.10
  6. Step 6: Final answer
    x = 1,228,092.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.