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Finding the Fourth Proportional to 274,016.60, 411,024.90 and 156,051.80

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Solution

The fourth proportional to 274,016.60, 411,024.90 and 156,051.80 is: 234,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,016.60 : 411,024.90 = 156,051.80 : x
  2. Step 2: Convert to fraction form
    274,016.60/411,024.90 = 156,051.80/x
  3. Step 3: Cross multiply
    274,016.60x = 411,024.90 × 156,051.80
  4. Step 4: Simplify right side
    274,016.60x = 64,141,175,489.82
  5. Step 5: Solve for x
    x = 64,141,175,489.82/274,016.60
  6. Step 6: Final answer
    x = 234,077.70

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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.