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Finding the Fourth Proportional to 493,248.16, 739,930.56 and 156,304.36

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Solution

The fourth proportional to 493,248.16, 739,930.56 and 156,304.36 is: 234,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,248.16 : 739,930.56 = 156,304.36 : x
  2. Step 2: Convert to fraction form
    493,248.16/739,930.56 = 156,304.36/x
  3. Step 3: Cross multiply
    493,248.16x = 739,930.56 × 156,304.36
  4. Step 4: Simplify right side
    493,248.16x = 115,654,368,144.07
  5. Step 5: Solve for x
    x = 115,654,368,144.07/493,248.16
  6. Step 6: Final answer
    x = 234,475.01

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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.