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Finding the Fourth Proportional to 408,502.01, 563,724.68 and 227,210.04

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Solution

The fourth proportional to 408,502.01, 563,724.68 and 227,210.04 is: 313,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,502.01 : 563,724.68 = 227,210.04 : x
  2. Step 2: Convert to fraction form
    408,502.01/563,724.68 = 227,210.04/x
  3. Step 3: Cross multiply
    408,502.01x = 563,724.68 × 227,210.04
  4. Step 4: Simplify right side
    408,502.01x = 128,083,907,091.79
  5. Step 5: Solve for x
    x = 128,083,907,091.79/408,502.01
  6. Step 6: Final answer
    x = 313,545.35

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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.