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Finding the Fourth Proportional to 334,076.63, 500,876.87 and 156,486.76

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Solution

The fourth proportional to 334,076.63, 500,876.87 and 156,486.76 is: 234,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,076.63 : 500,876.87 = 156,486.76 : x
  2. Step 2: Convert to fraction form
    334,076.63/500,876.87 = 156,486.76/x
  3. Step 3: Cross multiply
    334,076.63x = 500,876.87 × 156,486.76
  4. Step 4: Simplify right side
    334,076.63x = 78,380,596,510.62
  5. Step 5: Solve for x
    x = 78,380,596,510.62/334,076.63
  6. Step 6: Final answer
    x = 234,618.62

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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.