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Finding the Fourth Proportional to 498,857.94, 687,024.45 and 466,839.54

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Solution

The fourth proportional to 498,857.94, 687,024.45 and 466,839.54 is: 642,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,857.94 : 687,024.45 = 466,839.54 : x
  2. Step 2: Convert to fraction form
    498,857.94/687,024.45 = 466,839.54/x
  3. Step 3: Cross multiply
    498,857.94x = 687,024.45 × 466,839.54
  4. Step 4: Simplify right side
    498,857.94x = 320,730,178,206.75
  5. Step 5: Solve for x
    x = 320,730,178,206.75/498,857.94
  6. Step 6: Final answer
    x = 642,928.88

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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.