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Finding the Fourth Proportional to 408,196.80, 563,270.76 and 236,101.77

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Solution

The fourth proportional to 408,196.80, 563,270.76 and 236,101.77 is: 325,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,196.80 : 563,270.76 = 236,101.77 : x
  2. Step 2: Convert to fraction form
    408,196.80/563,270.76 = 236,101.77/x
  3. Step 3: Cross multiply
    408,196.80x = 563,270.76 × 236,101.77
  4. Step 4: Simplify right side
    408,196.80x = 132,989,223,425.25
  5. Step 5: Solve for x
    x = 132,989,223,425.25/408,196.80
  6. Step 6: Final answer
    x = 325,796.83

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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.