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Finding the Fourth Proportional to 365,713.56, 548,570.40 and 155,203.92

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Solution

The fourth proportional to 365,713.56, 548,570.40 and 155,203.92 is: 232,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,713.56 : 548,570.40 = 155,203.92 : x
  2. Step 2: Convert to fraction form
    365,713.56/548,570.40 = 155,203.92/x
  3. Step 3: Cross multiply
    365,713.56x = 548,570.40 × 155,203.92
  4. Step 4: Simplify right side
    365,713.56x = 85,140,276,475.97
  5. Step 5: Solve for x
    x = 85,140,276,475.97/365,713.56
  6. Step 6: Final answer
    x = 232,805.91

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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.