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Finding the Fourth Proportional to 539,620.76, 744,657.08 and 297,898.12

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Solution

The fourth proportional to 539,620.76, 744,657.08 and 297,898.12 is: 411,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,620.76 : 744,657.08 = 297,898.12 : x
  2. Step 2: Convert to fraction form
    539,620.76/744,657.08 = 297,898.12/x
  3. Step 3: Cross multiply
    539,620.76x = 744,657.08 × 297,898.12
  4. Step 4: Simplify right side
    539,620.76x = 221,831,944,176.69
  5. Step 5: Solve for x
    x = 221,831,944,176.69/539,620.76
  6. Step 6: Final answer
    x = 411,088.60

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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.