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Finding the Fourth Proportional to 897,444.80, 1,346,167.20 and 365,347.70

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Solution

The fourth proportional to 897,444.80, 1,346,167.20 and 365,347.70 is: 548,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,444.80 : 1,346,167.20 = 365,347.70 : x
  2. Step 2: Convert to fraction form
    897,444.80/1,346,167.20 = 365,347.70/x
  3. Step 3: Cross multiply
    897,444.80x = 1,346,167.20 × 365,347.70
  4. Step 4: Simplify right side
    897,444.80x = 491,819,090,335.44
  5. Step 5: Solve for x
    x = 491,819,090,335.44/897,444.80
  6. Step 6: Final answer
    x = 548,021.55

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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.