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Finding the Fourth Proportional to 441,213.98, 609,008.39 and 381,426.86

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Solution

The fourth proportional to 441,213.98, 609,008.39 and 381,426.86 is: 526,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,213.98 : 609,008.39 = 381,426.86 : x
  2. Step 2: Convert to fraction form
    441,213.98/609,008.39 = 381,426.86/x
  3. Step 3: Cross multiply
    441,213.98x = 609,008.39 × 381,426.86
  4. Step 4: Simplify right side
    441,213.98x = 232,292,160,387.44
  5. Step 5: Solve for x
    x = 232,292,160,387.44/441,213.98
  6. Step 6: Final answer
    x = 526,484.14

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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.