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Finding the Fourth Proportional to 408,259.01, 563,365.50 and 226,959.89

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Solution

The fourth proportional to 408,259.01, 563,365.50 and 226,959.89 is: 313,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,259.01 : 563,365.50 = 226,959.89 : x
  2. Step 2: Convert to fraction form
    408,259.01/563,365.50 = 226,959.89/x
  3. Step 3: Cross multiply
    408,259.01x = 563,365.50 × 226,959.89
  4. Step 4: Simplify right side
    408,259.01x = 127,861,369,092.97
  5. Step 5: Solve for x
    x = 127,861,369,092.97/408,259.01
  6. Step 6: Final answer
    x = 313,186.89

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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.