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Finding the Fourth Proportional to 361,858.66, 499,038.17 and 225,905.15

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Solution

The fourth proportional to 361,858.66, 499,038.17 and 225,905.15 is: 311,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,858.66 : 499,038.17 = 225,905.15 : x
  2. Step 2: Convert to fraction form
    361,858.66/499,038.17 = 225,905.15/x
  3. Step 3: Cross multiply
    361,858.66x = 499,038.17 × 225,905.15
  4. Step 4: Simplify right side
    361,858.66x = 112,735,292,767.65
  5. Step 5: Solve for x
    x = 112,735,292,767.65/361,858.66
  6. Step 6: Final answer
    x = 311,545.10

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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.