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Finding the Fourth Proportional to 651,842.70, 977,472.45 and 252,350.70

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Solution

The fourth proportional to 651,842.70, 977,472.45 and 252,350.70 is: 378,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,842.70 : 977,472.45 = 252,350.70 : x
  2. Step 2: Convert to fraction form
    651,842.70/977,472.45 = 252,350.70/x
  3. Step 3: Cross multiply
    651,842.70x = 977,472.45 × 252,350.70
  4. Step 4: Simplify right side
    651,842.70x = 246,665,856,988.22
  5. Step 5: Solve for x
    x = 246,665,856,988.22/651,842.70
  6. Step 6: Final answer
    x = 378,413.16

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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.