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Finding the Fourth Proportional to 541,848.08, 812,713.80 and 162,729.20

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Solution

The fourth proportional to 541,848.08, 812,713.80 and 162,729.20 is: 244,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,848.08 : 812,713.80 = 162,729.20 : x
  2. Step 2: Convert to fraction form
    541,848.08/812,713.80 = 162,729.20/x
  3. Step 3: Cross multiply
    541,848.08x = 812,713.80 × 162,729.20
  4. Step 4: Simplify right side
    541,848.08x = 132,252,266,502.96
  5. Step 5: Solve for x
    x = 132,252,266,502.96/541,848.08
  6. Step 6: Final answer
    x = 244,076.29

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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.