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Finding the Fourth Proportional to 522,500.70, 783,861.88 and 167,763.90

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Solution

The fourth proportional to 522,500.70, 783,861.88 and 167,763.90 is: 251,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,500.70 : 783,861.88 = 167,763.90 : x
  2. Step 2: Convert to fraction form
    522,500.70/783,861.88 = 167,763.90/x
  3. Step 3: Cross multiply
    522,500.70x = 783,861.88 × 167,763.90
  4. Step 4: Simplify right side
    522,500.70x = 131,503,726,050.13
  5. Step 5: Solve for x
    x = 131,503,726,050.13/522,500.70
  6. Step 6: Final answer
    x = 251,681.44

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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.