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Finding the Fourth Proportional to 546,391.44, 818,151.12 and 439,206.48

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Solution

The fourth proportional to 546,391.44, 818,151.12 and 439,206.48 is: 657,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,391.44 : 818,151.12 = 439,206.48 : x
  2. Step 2: Convert to fraction form
    546,391.44/818,151.12 = 439,206.48/x
  3. Step 3: Cross multiply
    546,391.44x = 818,151.12 × 439,206.48
  4. Step 4: Simplify right side
    546,391.44x = 359,337,273,523.26
  5. Step 5: Solve for x
    x = 359,337,273,523.26/546,391.44
  6. Step 6: Final answer
    x = 657,655.39

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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.