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Finding the Fourth Proportional to 491,328.42, 737,001.72 and 154,362.75

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Solution

The fourth proportional to 491,328.42, 737,001.72 and 154,362.75 is: 231,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,328.42 : 737,001.72 = 154,362.75 : x
  2. Step 2: Convert to fraction form
    491,328.42/737,001.72 = 154,362.75/x
  3. Step 3: Cross multiply
    491,328.42x = 737,001.72 × 154,362.75
  4. Step 4: Simplify right side
    491,328.42x = 113,765,612,253.93
  5. Step 5: Solve for x
    x = 113,765,612,253.93/491,328.42
  6. Step 6: Final answer
    x = 231,546.98

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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.