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Finding the Fourth Proportional to 522,000.72, 783,052.92 and 166,925.52

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Solution

The fourth proportional to 522,000.72, 783,052.92 and 166,925.52 is: 250,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,000.72 : 783,052.92 = 166,925.52 : x
  2. Step 2: Convert to fraction form
    522,000.72/783,052.92 = 166,925.52/x
  3. Step 3: Cross multiply
    522,000.72x = 783,052.92 × 166,925.52
  4. Step 4: Simplify right side
    522,000.72x = 130,711,515,858.52
  5. Step 5: Solve for x
    x = 130,711,515,858.52/522,000.72
  6. Step 6: Final answer
    x = 250,404.86

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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.