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Finding the Fourth Proportional to 332,695.20, 499,042.80 and 155,548.20

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Solution

The fourth proportional to 332,695.20, 499,042.80 and 155,548.20 is: 233,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,695.20 : 499,042.80 = 155,548.20 : x
  2. Step 2: Convert to fraction form
    332,695.20/499,042.80 = 155,548.20/x
  3. Step 3: Cross multiply
    332,695.20x = 499,042.80 × 155,548.20
  4. Step 4: Simplify right side
    332,695.20x = 77,625,209,262.96
  5. Step 5: Solve for x
    x = 77,625,209,262.96/332,695.20
  6. Step 6: Final answer
    x = 233,322.30

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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.