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Finding the Fourth Proportional to 539,207.60, 744,109.08 and 297,490.16

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Solution

The fourth proportional to 539,207.60, 744,109.08 and 297,490.16 is: 410,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,207.60 : 744,109.08 = 297,490.16 : x
  2. Step 2: Convert to fraction form
    539,207.60/744,109.08 = 297,490.16/x
  3. Step 3: Cross multiply
    539,207.60x = 744,109.08 × 297,490.16
  4. Step 4: Simplify right side
    539,207.60x = 221,365,129,266.65
  5. Step 5: Solve for x
    x = 221,365,129,266.65/539,207.60
  6. Step 6: Final answer
    x = 410,537.85

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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.