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Finding the Fourth Proportional to 439,445.74, 605,350.50 and 374,704.27

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Solution

The fourth proportional to 439,445.74, 605,350.50 and 374,704.27 is: 516,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,445.74 : 605,350.50 = 374,704.27 : x
  2. Step 2: Convert to fraction form
    439,445.74/605,350.50 = 374,704.27/x
  3. Step 3: Cross multiply
    439,445.74x = 605,350.50 × 374,704.27
  4. Step 4: Simplify right side
    439,445.74x = 226,827,417,196.64
  5. Step 5: Solve for x
    x = 226,827,417,196.64/439,445.74
  6. Step 6: Final answer
    x = 516,167.06

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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.