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Finding the Fourth Proportional to 493,010.49, 739,626.52 and 156,071.35

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Solution

The fourth proportional to 493,010.49, 739,626.52 and 156,071.35 is: 234,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,010.49 : 739,626.52 = 156,071.35 : x
  2. Step 2: Convert to fraction form
    493,010.49/739,626.52 = 156,071.35/x
  3. Step 3: Cross multiply
    493,010.49x = 739,626.52 × 156,071.35
  4. Step 4: Simplify right side
    493,010.49x = 115,434,509,472.20
  5. Step 5: Solve for x
    x = 115,434,509,472.20/493,010.49
  6. Step 6: Final answer
    x = 234,142.10

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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.