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Finding the Fourth Proportional to 539,652.18, 744,721.12 and 297,935.22

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Solution

The fourth proportional to 539,652.18, 744,721.12 and 297,935.22 is: 411,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,652.18 : 744,721.12 = 297,935.22 : x
  2. Step 2: Convert to fraction form
    539,652.18/744,721.12 = 297,935.22/x
  3. Step 3: Cross multiply
    539,652.18x = 744,721.12 × 297,935.22
  4. Step 4: Simplify right side
    539,652.18x = 221,878,650,725.85
  5. Step 5: Solve for x
    x = 221,878,650,725.85/539,652.18
  6. Step 6: Final answer
    x = 411,151.22

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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.