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Finding the Fourth Proportional to 444,854.90, 667,282.35 and 423,082.10

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Solution

The fourth proportional to 444,854.90, 667,282.35 and 423,082.10 is: 634,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,854.90 : 667,282.35 = 423,082.10 : x
  2. Step 2: Convert to fraction form
    444,854.90/667,282.35 = 423,082.10/x
  3. Step 3: Cross multiply
    444,854.90x = 667,282.35 × 423,082.10
  4. Step 4: Simplify right side
    444,854.90x = 282,315,217,930.94
  5. Step 5: Solve for x
    x = 282,315,217,930.94/444,854.90
  6. Step 6: Final answer
    x = 634,623.15

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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.