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Finding the Fourth Proportional to 493,751.13, 740,551.01 and 156,748.10

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Solution

The fourth proportional to 493,751.13, 740,551.01 and 156,748.10 is: 235,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,751.13 : 740,551.01 = 156,748.10 : x
  2. Step 2: Convert to fraction form
    493,751.13/740,551.01 = 156,748.10/x
  3. Step 3: Cross multiply
    493,751.13x = 740,551.01 × 156,748.10
  4. Step 4: Simplify right side
    493,751.13x = 116,079,959,284.09
  5. Step 5: Solve for x
    x = 116,079,959,284.09/493,751.13
  6. Step 6: Final answer
    x = 235,098.12

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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.