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Finding the Fourth Proportional to 441,418, 609,114.72 and 247,781.38

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Solution

The fourth proportional to 441,418, 609,114.72 and 247,781.38 is: 341,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,418 : 609,114.72 = 247,781.38 : x
  2. Step 2: Convert to fraction form
    441,418/609,114.72 = 247,781.38/x
  3. Step 3: Cross multiply
    441,418x = 609,114.72 × 247,781.38
  4. Step 4: Simplify right side
    441,418x = 150,927,285,899.91
  5. Step 5: Solve for x
    x = 150,927,285,899.91/441,418
  6. Step 6: Final answer
    x = 341,914.66

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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.