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Finding the Fourth Proportional to 613,167.27, 845,293.88 and 431,314.78

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Solution

The fourth proportional to 613,167.27, 845,293.88 and 431,314.78 is: 594,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,167.27 : 845,293.88 = 431,314.78 : x
  2. Step 2: Convert to fraction form
    613,167.27/845,293.88 = 431,314.78/x
  3. Step 3: Cross multiply
    613,167.27x = 845,293.88 × 431,314.78
  4. Step 4: Simplify right side
    613,167.27x = 364,587,737,504.50
  5. Step 5: Solve for x
    x = 364,587,737,504.50/613,167.27
  6. Step 6: Final answer
    x = 594,597.52

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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.