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Finding the Fourth Proportional to 539,609.70, 744,662.48 and 297,892.60

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Solution

The fourth proportional to 539,609.70, 744,662.48 and 297,892.60 is: 411,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,609.70 : 744,662.48 = 297,892.60 : x
  2. Step 2: Convert to fraction form
    539,609.70/744,662.48 = 297,892.60/x
  3. Step 3: Cross multiply
    539,609.70x = 744,662.48 × 297,892.60
  4. Step 4: Simplify right side
    539,609.70x = 221,829,442,289.65
  5. Step 5: Solve for x
    x = 221,829,442,289.65/539,609.70
  6. Step 6: Final answer
    x = 411,092.39

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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.