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Finding the Fourth Proportional to 704,593.25, 972,335.43 and 382,302.55

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Solution

The fourth proportional to 704,593.25, 972,335.43 and 382,302.55 is: 527,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,593.25 : 972,335.43 = 382,302.55 : x
  2. Step 2: Convert to fraction form
    704,593.25/972,335.43 = 382,302.55/x
  3. Step 3: Cross multiply
    704,593.25x = 972,335.43 × 382,302.55
  4. Step 4: Simplify right side
    704,593.25x = 371,726,314,344.35
  5. Step 5: Solve for x
    x = 371,726,314,344.35/704,593.25
  6. Step 6: Final answer
    x = 527,575.75

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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.