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Finding the Fourth Proportional to 508,650.96, 762,983.70 and 153,668.04

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Solution

The fourth proportional to 508,650.96, 762,983.70 and 153,668.04 is: 230,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,650.96 : 762,983.70 = 153,668.04 : x
  2. Step 2: Convert to fraction form
    508,650.96/762,983.70 = 153,668.04/x
  3. Step 3: Cross multiply
    508,650.96x = 762,983.70 × 153,668.04
  4. Step 4: Simplify right side
    508,650.96x = 117,246,209,730.95
  5. Step 5: Solve for x
    x = 117,246,209,730.95/508,650.96
  6. Step 6: Final answer
    x = 230,504.25

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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.