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Finding the Fourth Proportional to 539,098.68, 743,946.93 and 297,404.40

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Solution

The fourth proportional to 539,098.68, 743,946.93 and 297,404.40 is: 410,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,098.68 : 743,946.93 = 297,404.40 : x
  2. Step 2: Convert to fraction form
    539,098.68/743,946.93 = 297,404.40/x
  3. Step 3: Cross multiply
    539,098.68x = 743,946.93 × 297,404.40
  4. Step 4: Simplify right side
    539,098.68x = 221,253,090,348.49
  5. Step 5: Solve for x
    x = 221,253,090,348.49/539,098.68
  6. Step 6: Final answer
    x = 410,412.97

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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.