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Finding the Fourth Proportional to 508,337.85, 762,512.28 and 153,354.96

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Solution

The fourth proportional to 508,337.85, 762,512.28 and 153,354.96 is: 230,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,337.85 : 762,512.28 = 153,354.96 : x
  2. Step 2: Convert to fraction form
    508,337.85/762,512.28 = 153,354.96/x
  3. Step 3: Cross multiply
    508,337.85x = 762,512.28 × 153,354.96
  4. Step 4: Simplify right side
    508,337.85x = 116,935,040,198.91
  5. Step 5: Solve for x
    x = 116,935,040,198.91/508,337.85
  6. Step 6: Final answer
    x = 230,034.10

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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.