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Finding the Fourth Proportional to 688,515.64, 950,132.64 and 382,584.12

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Solution

The fourth proportional to 688,515.64, 950,132.64 and 382,584.12 is: 527,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,515.64 : 950,132.64 = 382,584.12 : x
  2. Step 2: Convert to fraction form
    688,515.64/950,132.64 = 382,584.12/x
  3. Step 3: Cross multiply
    688,515.64x = 950,132.64 × 382,584.12
  4. Step 4: Simplify right side
    688,515.64x = 363,505,659,957.68
  5. Step 5: Solve for x
    x = 363,505,659,957.68/688,515.64
  6. Step 6: Final answer
    x = 527,955.56

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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.