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Finding the Fourth Proportional to 503,640.32, 755,339.52 and 148,557.92

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Solution

The fourth proportional to 503,640.32, 755,339.52 and 148,557.92 is: 222,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,640.32 : 755,339.52 = 148,557.92 : x
  2. Step 2: Convert to fraction form
    503,640.32/755,339.52 = 148,557.92/x
  3. Step 3: Cross multiply
    503,640.32x = 755,339.52 × 148,557.92
  4. Step 4: Simplify right side
    503,640.32x = 112,211,667,985.00
  5. Step 5: Solve for x
    x = 112,211,667,985.00/503,640.32
  6. Step 6: Final answer
    x = 222,801.20

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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.