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Finding the Fourth Proportional to 434,680.92, 651,951.44 and 119,064.04

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Solution

The fourth proportional to 434,680.92, 651,951.44 and 119,064.04 is: 178,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,680.92 : 651,951.44 = 119,064.04 : x
  2. Step 2: Convert to fraction form
    434,680.92/651,951.44 = 119,064.04/x
  3. Step 3: Cross multiply
    434,680.92x = 651,951.44 × 119,064.04
  4. Step 4: Simplify right side
    434,680.92x = 77,623,972,330.22
  5. Step 5: Solve for x
    x = 77,623,972,330.22/434,680.92
  6. Step 6: Final answer
    x = 178,576.90

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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.