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Finding the Fourth Proportional to 703,892.61, 971,117.24 and 462,306.15

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Solution

The fourth proportional to 703,892.61, 971,117.24 and 462,306.15 is: 637,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,892.61 : 971,117.24 = 462,306.15 : x
  2. Step 2: Convert to fraction form
    703,892.61/971,117.24 = 462,306.15/x
  3. Step 3: Cross multiply
    703,892.61x = 971,117.24 × 462,306.15
  4. Step 4: Simplify right side
    703,892.61x = 448,953,470,111.50
  5. Step 5: Solve for x
    x = 448,953,470,111.50/703,892.61
  6. Step 6: Final answer
    x = 637,815.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.