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Finding the Fourth Proportional to 578,121.60, 867,177.60 and 451,867.97

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Solution

The fourth proportional to 578,121.60, 867,177.60 and 451,867.97 is: 677,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,121.60 : 867,177.60 = 451,867.97 : x
  2. Step 2: Convert to fraction form
    578,121.60/867,177.60 = 451,867.97/x
  3. Step 3: Cross multiply
    578,121.60x = 867,177.60 × 451,867.97
  4. Step 4: Simplify right side
    578,121.60x = 391,849,777,405.58
  5. Step 5: Solve for x
    x = 391,849,777,405.58/578,121.60
  6. Step 6: Final answer
    x = 677,798.20

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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.