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Finding the Fourth Proportional to 508,387.24, 762,585.96 and 153,404.20

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Solution

The fourth proportional to 508,387.24, 762,585.96 and 153,404.20 is: 230,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,387.24 : 762,585.96 = 153,404.20 : x
  2. Step 2: Convert to fraction form
    508,387.24/762,585.96 = 153,404.20/x
  3. Step 3: Cross multiply
    508,387.24x = 762,585.96 × 153,404.20
  4. Step 4: Simplify right side
    508,387.24x = 116,983,889,125.03
  5. Step 5: Solve for x
    x = 116,983,889,125.03/508,387.24
  6. Step 6: Final answer
    x = 230,107.84

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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.