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Finding the Fourth Proportional to 417,228.54, 625,592.88 and 132,796.23

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Solution

The fourth proportional to 417,228.54, 625,592.88 and 132,796.23 is: 199,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,228.54 : 625,592.88 = 132,796.23 : x
  2. Step 2: Convert to fraction form
    417,228.54/625,592.88 = 132,796.23/x
  3. Step 3: Cross multiply
    417,228.54x = 625,592.88 × 132,796.23
  4. Step 4: Simplify right side
    417,228.54x = 83,076,375,978.84
  5. Step 5: Solve for x
    x = 83,076,375,978.84/417,228.54
  6. Step 6: Final answer
    x = 199,114.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.