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Finding the Fourth Proportional to 265,388.18, 366,265.94 and 157,958.55

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Solution

The fourth proportional to 265,388.18, 366,265.94 and 157,958.55 is: 218,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,388.18 : 366,265.94 = 157,958.55 : x
  2. Step 2: Convert to fraction form
    265,388.18/366,265.94 = 157,958.55/x
  3. Step 3: Cross multiply
    265,388.18x = 366,265.94 × 157,958.55
  4. Step 4: Simplify right side
    265,388.18x = 57,854,836,006.99
  5. Step 5: Solve for x
    x = 57,854,836,006.99/265,388.18
  6. Step 6: Final answer
    x = 218,000.81

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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.