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Finding the Fourth Proportional to 361,851.20, 542,776.80 and 175,227.20

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Solution

The fourth proportional to 361,851.20, 542,776.80 and 175,227.20 is: 262,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,851.20 : 542,776.80 = 175,227.20 : x
  2. Step 2: Convert to fraction form
    361,851.20/542,776.80 = 175,227.20/x
  3. Step 3: Cross multiply
    361,851.20x = 542,776.80 × 175,227.20
  4. Step 4: Simplify right side
    361,851.20x = 95,109,258,888.96
  5. Step 5: Solve for x
    x = 95,109,258,888.96/361,851.20
  6. Step 6: Final answer
    x = 262,840.80

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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.