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Finding the Fourth Proportional to 539,242.52, 744,021.99 and 329,637.47

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Solution

The fourth proportional to 539,242.52, 744,021.99 and 329,637.47 is: 454,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,242.52 : 744,021.99 = 329,637.47 : x
  2. Step 2: Convert to fraction form
    539,242.52/744,021.99 = 329,637.47/x
  3. Step 3: Cross multiply
    539,242.52x = 744,021.99 × 329,637.47
  4. Step 4: Simplify right side
    539,242.52x = 245,257,522,687.86
  5. Step 5: Solve for x
    x = 245,257,522,687.86/539,242.52
  6. Step 6: Final answer
    x = 454,818.59

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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.