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Finding the Fourth Proportional to 247,376.70, 341,416.56 and 156,741.15

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Solution

The fourth proportional to 247,376.70, 341,416.56 and 156,741.15 is: 216,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,376.70 : 341,416.56 = 156,741.15 : x
  2. Step 2: Convert to fraction form
    247,376.70/341,416.56 = 156,741.15/x
  3. Step 3: Cross multiply
    247,376.70x = 341,416.56 × 156,741.15
  4. Step 4: Simplify right side
    247,376.70x = 53,514,024,049.22
  5. Step 5: Solve for x
    x = 53,514,024,049.22/247,376.70
  6. Step 6: Final answer
    x = 216,326.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.