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Finding the Fourth Proportional to 408,001.79, 563,035.01 and 226,710.42

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Solution

The fourth proportional to 408,001.79, 563,035.01 and 226,710.42 is: 312,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,001.79 : 563,035.01 = 226,710.42 : x
  2. Step 2: Convert to fraction form
    408,001.79/563,035.01 = 226,710.42/x
  3. Step 3: Cross multiply
    408,001.79x = 563,035.01 × 226,710.42
  4. Step 4: Simplify right side
    408,001.79x = 127,645,902,458.25
  5. Step 5: Solve for x
    x = 127,645,902,458.25/408,001.79
  6. Step 6: Final answer
    x = 312,856.24

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1.5x scale

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.