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Finding the Fourth Proportional to 543,319.92, 749,767.32 and 301,596.12

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Solution

The fourth proportional to 543,319.92, 749,767.32 and 301,596.12 is: 416,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,319.92 : 749,767.32 = 301,596.12 : x
  2. Step 2: Convert to fraction form
    543,319.92/749,767.32 = 301,596.12/x
  3. Step 3: Cross multiply
    543,319.92x = 749,767.32 × 301,596.12
  4. Step 4: Simplify right side
    543,319.92x = 226,126,914,614.80
  5. Step 5: Solve for x
    x = 226,126,914,614.80/543,319.92
  6. Step 6: Final answer
    x = 416,194.78

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.