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Finding the Fourth Proportional to 265,611.60, 366,502.11 and 149,302.15

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Solution

The fourth proportional to 265,611.60, 366,502.11 and 149,302.15 is: 206,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,611.60 : 366,502.11 = 149,302.15 : x
  2. Step 2: Convert to fraction form
    265,611.60/366,502.11 = 149,302.15/x
  3. Step 3: Cross multiply
    265,611.60x = 366,502.11 × 149,302.15
  4. Step 4: Simplify right side
    265,611.60x = 54,719,553,002.54
  5. Step 5: Solve for x
    x = 54,719,553,002.54/265,611.60
  6. Step 6: Final answer
    x = 206,013.42

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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.