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Finding the Fourth Proportional to 498,704.22, 748,130.15 and 183,136.52

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Solution

The fourth proportional to 498,704.22, 748,130.15 and 183,136.52 is: 274,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,704.22 : 748,130.15 = 183,136.52 : x
  2. Step 2: Convert to fraction form
    498,704.22/748,130.15 = 183,136.52/x
  3. Step 3: Cross multiply
    498,704.22x = 748,130.15 × 183,136.52
  4. Step 4: Simplify right side
    498,704.22x = 137,009,952,178.08
  5. Step 5: Solve for x
    x = 137,009,952,178.08/498,704.22
  6. Step 6: Final answer
    x = 274,731.89

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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.