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Finding the Fourth Proportional to 370,731.60, 556,356.60 and 160,520.40

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Solution

The fourth proportional to 370,731.60, 556,356.60 and 160,520.40 is: 240,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,731.60 : 556,356.60 = 160,520.40 : x
  2. Step 2: Convert to fraction form
    370,731.60/556,356.60 = 160,520.40/x
  3. Step 3: Cross multiply
    370,731.60x = 556,356.60 × 160,520.40
  4. Step 4: Simplify right side
    370,731.60x = 89,306,583,974.64
  5. Step 5: Solve for x
    x = 89,306,583,974.64/370,731.60
  6. Step 6: Final answer
    x = 240,892.83

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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.