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Finding the Fourth Proportional to 478,192.41, 659,910.24 and 263,339.10

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Solution

The fourth proportional to 478,192.41, 659,910.24 and 263,339.10 is: 363,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,192.41 : 659,910.24 = 263,339.10 : x
  2. Step 2: Convert to fraction form
    478,192.41/659,910.24 = 263,339.10/x
  3. Step 3: Cross multiply
    478,192.41x = 659,910.24 × 263,339.10
  4. Step 4: Simplify right side
    478,192.41x = 173,780,168,682.38
  5. Step 5: Solve for x
    x = 173,780,168,682.38/478,192.41
  6. Step 6: Final answer
    x = 363,410.55

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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.