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Finding the Fourth Proportional to 503,732.20, 755,339.10 and 188,026.60

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Solution

The fourth proportional to 503,732.20, 755,339.10 and 188,026.60 is: 281,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,732.20 : 755,339.10 = 188,026.60 : x
  2. Step 2: Convert to fraction form
    503,732.20/755,339.10 = 188,026.60/x
  3. Step 3: Cross multiply
    503,732.20x = 755,339.10 × 188,026.60
  4. Step 4: Simplify right side
    503,732.20x = 142,023,842,820.06
  5. Step 5: Solve for x
    x = 142,023,842,820.06/503,732.20
  6. Step 6: Final answer
    x = 281,943.15

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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.