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Finding the Fourth Proportional to 407,279.08, 610,887.87 and 167,327.59

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Solution

The fourth proportional to 407,279.08, 610,887.87 and 167,327.59 is: 250,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,279.08 : 610,887.87 = 167,327.59 : x
  2. Step 2: Convert to fraction form
    407,279.08/610,887.87 = 167,327.59/x
  3. Step 3: Cross multiply
    407,279.08x = 610,887.87 × 167,327.59
  4. Step 4: Simplify right side
    407,279.08x = 102,218,394,210.70
  5. Step 5: Solve for x
    x = 102,218,394,210.70/407,279.08
  6. Step 6: Final answer
    x = 250,978.75

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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.