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Finding the Fourth Proportional to 586,672.50, 878,520.21 and 491,652.82

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Solution

The fourth proportional to 586,672.50, 878,520.21 and 491,652.82 is: 736,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,672.50 : 878,520.21 = 491,652.82 : x
  2. Step 2: Convert to fraction form
    586,672.50/878,520.21 = 491,652.82/x
  3. Step 3: Cross multiply
    586,672.50x = 878,520.21 × 491,652.82
  4. Step 4: Simplify right side
    586,672.50x = 431,926,938,673.49
  5. Step 5: Solve for x
    x = 431,926,938,673.49/586,672.50
  6. Step 6: Final answer
    x = 736,231.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.