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Finding the Fourth Proportional to 508,098.87, 762,567.59 and 255,451.16

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Solution

The fourth proportional to 508,098.87, 762,567.59 and 255,451.16 is: 383,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,098.87 : 762,567.59 = 255,451.16 : x
  2. Step 2: Convert to fraction form
    508,098.87/762,567.59 = 255,451.16/x
  3. Step 3: Cross multiply
    508,098.87x = 762,567.59 × 255,451.16
  4. Step 4: Simplify right side
    508,098.87x = 194,798,777,988.95
  5. Step 5: Solve for x
    x = 194,798,777,988.95/508,098.87
  6. Step 6: Final answer
    x = 383,387.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.