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Finding the Fourth Proportional to 503,050.80, 754,494.17 and 147,981.77

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Solution

The fourth proportional to 503,050.80, 754,494.17 and 147,981.77 is: 221,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,050.80 : 754,494.17 = 147,981.77 : x
  2. Step 2: Convert to fraction form
    503,050.80/754,494.17 = 147,981.77/x
  3. Step 3: Cross multiply
    503,050.80x = 754,494.17 × 147,981.77
  4. Step 4: Simplify right side
    503,050.80x = 111,651,378,218.90
  5. Step 5: Solve for x
    x = 111,651,378,218.90/503,050.80
  6. Step 6: Final answer
    x = 221,948.52

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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.