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Finding the Fourth Proportional to 508,817.52, 763,253.28 and 153,822.48

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Solution

The fourth proportional to 508,817.52, 763,253.28 and 153,822.48 is: 230,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,817.52 : 763,253.28 = 153,822.48 : x
  2. Step 2: Convert to fraction form
    508,817.52/763,253.28 = 153,822.48/x
  3. Step 3: Cross multiply
    508,817.52x = 763,253.28 × 153,822.48
  4. Step 4: Simplify right side
    508,817.52x = 117,405,512,397.73
  5. Step 5: Solve for x
    x = 117,405,512,397.73/508,817.52
  6. Step 6: Final answer
    x = 230,741.88

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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.