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Finding the Fourth Proportional to 508,031.52, 762,076.44 and 153,008.52

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Solution

The fourth proportional to 508,031.52, 762,076.44 and 153,008.52 is: 229,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,031.52 : 762,076.44 = 153,008.52 : x
  2. Step 2: Convert to fraction form
    508,031.52/762,076.44 = 153,008.52/x
  3. Step 3: Cross multiply
    508,031.52x = 762,076.44 × 153,008.52
  4. Step 4: Simplify right side
    508,031.52x = 116,604,188,211.27
  5. Step 5: Solve for x
    x = 116,604,188,211.27/508,031.52
  6. Step 6: Final answer
    x = 229,521.56

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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.