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Finding the Fourth Proportional to 407,167.20, 610,743.60 and 167,229.12

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Solution

The fourth proportional to 407,167.20, 610,743.60 and 167,229.12 is: 250,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,167.20 : 610,743.60 = 167,229.12 : x
  2. Step 2: Convert to fraction form
    407,167.20/610,743.60 = 167,229.12/x
  3. Step 3: Cross multiply
    407,167.20x = 610,743.60 × 167,229.12
  4. Step 4: Simplify right side
    407,167.20x = 102,134,114,773.63
  5. Step 5: Solve for x
    x = 102,134,114,773.63/407,167.20
  6. Step 6: Final answer
    x = 250,840.72

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1.5x scale

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.