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Finding the Fourth Proportional to 371,700.56, 557,353.20 and 147,051.92

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Solution

The fourth proportional to 371,700.56, 557,353.20 and 147,051.92 is: 220,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,700.56 : 557,353.20 = 147,051.92 : x
  2. Step 2: Convert to fraction form
    371,700.56/557,353.20 = 147,051.92/x
  3. Step 3: Cross multiply
    371,700.56x = 557,353.20 × 147,051.92
  4. Step 4: Simplify right side
    371,700.56x = 81,959,858,178.14
  5. Step 5: Solve for x
    x = 81,959,858,178.14/371,700.56
  6. Step 6: Final answer
    x = 220,499.69

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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.