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Finding the Fourth Proportional to 354,335.72, 531,394.46 and 101,548.42

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Solution

The fourth proportional to 354,335.72, 531,394.46 and 101,548.42 is: 152,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,335.72 : 531,394.46 = 101,548.42 : x
  2. Step 2: Convert to fraction form
    354,335.72/531,394.46 = 101,548.42/x
  3. Step 3: Cross multiply
    354,335.72x = 531,394.46 × 101,548.42
  4. Step 4: Simplify right side
    354,335.72x = 53,962,266,354.33
  5. Step 5: Solve for x
    x = 53,962,266,354.33/354,335.72
  6. Step 6: Final answer
    x = 152,291.36

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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.