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Finding the Fourth Proportional to 688,522.93, 950,142.62 and 382,591.40

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Solution

The fourth proportional to 688,522.93, 950,142.62 and 382,591.40 is: 527,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,522.93 : 950,142.62 = 382,591.40 : x
  2. Step 2: Convert to fraction form
    688,522.93/950,142.62 = 382,591.40/x
  3. Step 3: Cross multiply
    688,522.93x = 950,142.62 × 382,591.40
  4. Step 4: Simplify right side
    688,522.93x = 363,516,391,391.23
  5. Step 5: Solve for x
    x = 363,516,391,391.23/688,522.93
  6. Step 6: Final answer
    x = 527,965.56

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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.