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Finding the Fourth Proportional to 330,774.53, 495,718.92 and 162,036.54

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Solution

The fourth proportional to 330,774.53, 495,718.92 and 162,036.54 is: 242,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,774.53 : 495,718.92 = 162,036.54 : x
  2. Step 2: Convert to fraction form
    330,774.53/495,718.92 = 162,036.54/x
  3. Step 3: Cross multiply
    330,774.53x = 495,718.92 × 162,036.54
  4. Step 4: Simplify right side
    330,774.53x = 80,324,578,609.34
  5. Step 5: Solve for x
    x = 80,324,578,609.34/330,774.53
  6. Step 6: Final answer
    x = 242,837.86

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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.