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Finding the Fourth Proportional to 408,086.59, 562,998.03 and 235,972.93

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Solution

The fourth proportional to 408,086.59, 562,998.03 and 235,972.93 is: 325,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,086.59 : 562,998.03 = 235,972.93 : x
  2. Step 2: Convert to fraction form
    408,086.59/562,998.03 = 235,972.93/x
  3. Step 3: Cross multiply
    408,086.59x = 562,998.03 × 235,972.93
  4. Step 4: Simplify right side
    408,086.59x = 132,852,294,723.33
  5. Step 5: Solve for x
    x = 132,852,294,723.33/408,086.59
  6. Step 6: Final answer
    x = 325,549.28

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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.