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Finding the Fourth Proportional to 834,111, 1,251,166.86 and 301,620.24

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Solution

The fourth proportional to 834,111, 1,251,166.86 and 301,620.24 is: 452,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,111 : 1,251,166.86 = 301,620.24 : x
  2. Step 2: Convert to fraction form
    834,111/1,251,166.86 = 301,620.24/x
  3. Step 3: Cross multiply
    834,111x = 1,251,166.86 × 301,620.24
  4. Step 4: Simplify right side
    834,111x = 377,377,248,593.25
  5. Step 5: Solve for x
    x = 377,377,248,593.25/834,111
  6. Step 6: Final answer
    x = 452,430.49

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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.