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Finding the Fourth Proportional to 417,067.65, 625,601.48 and 372,780.90

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Solution

The fourth proportional to 417,067.65, 625,601.48 and 372,780.90 is: 559,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,067.65 : 625,601.48 = 372,780.90 : x
  2. Step 2: Convert to fraction form
    417,067.65/625,601.48 = 372,780.90/x
  3. Step 3: Cross multiply
    417,067.65x = 625,601.48 × 372,780.90
  4. Step 4: Simplify right side
    417,067.65x = 233,212,280,891.83
  5. Step 5: Solve for x
    x = 233,212,280,891.83/417,067.65
  6. Step 6: Final answer
    x = 559,171.35

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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.