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Finding the Fourth Proportional to 410,305.20, 615,166.20 and 185,773.20

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Solution

The fourth proportional to 410,305.20, 615,166.20 and 185,773.20 is: 278,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,305.20 : 615,166.20 = 185,773.20 : x
  2. Step 2: Convert to fraction form
    410,305.20/615,166.20 = 185,773.20/x
  3. Step 3: Cross multiply
    410,305.20x = 615,166.20 × 185,773.20
  4. Step 4: Simplify right side
    410,305.20x = 114,281,393,505.84
  5. Step 5: Solve for x
    x = 114,281,393,505.84/410,305.20
  6. Step 6: Final answer
    x = 278,527.77

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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.