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Finding the Fourth Proportional to 334,077.72, 500,878.59 and 156,487.85

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Solution

The fourth proportional to 334,077.72, 500,878.59 and 156,487.85 is: 234,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,077.72 : 500,878.59 = 156,487.85 : x
  2. Step 2: Convert to fraction form
    334,077.72/500,878.59 = 156,487.85/x
  3. Step 3: Cross multiply
    334,077.72x = 500,878.59 × 156,487.85
  4. Step 4: Simplify right side
    334,077.72x = 78,381,412,447.20
  5. Step 5: Solve for x
    x = 78,381,412,447.20/334,077.72
  6. Step 6: Final answer
    x = 234,620.30

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1.5x scale

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.