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Finding the Fourth Proportional to 442,205.68, 610,245.86 and 251,229.55

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Solution

The fourth proportional to 442,205.68, 610,245.86 and 251,229.55 is: 346,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,205.68 : 610,245.86 = 251,229.55 : x
  2. Step 2: Convert to fraction form
    442,205.68/610,245.86 = 251,229.55/x
  3. Step 3: Cross multiply
    442,205.68x = 610,245.86 × 251,229.55
  4. Step 4: Simplify right side
    442,205.68x = 153,311,788,489.79
  5. Step 5: Solve for x
    x = 153,311,788,489.79/442,205.68
  6. Step 6: Final answer
    x = 346,697.92

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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.