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Finding the Fourth Proportional to 437,721.60, 657,100.80 and 248,332.80

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Solution

The fourth proportional to 437,721.60, 657,100.80 and 248,332.80 is: 372,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,721.60 : 657,100.80 = 248,332.80 : x
  2. Step 2: Convert to fraction form
    437,721.60/657,100.80 = 248,332.80/x
  3. Step 3: Cross multiply
    437,721.60x = 657,100.80 × 248,332.80
  4. Step 4: Simplify right side
    437,721.60x = 163,179,681,546.24
  5. Step 5: Solve for x
    x = 163,179,681,546.24/437,721.60
  6. Step 6: Final answer
    x = 372,793.30

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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.