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Finding the Fourth Proportional to 265,393.80, 366,273.70 and 157,964.20

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Solution

The fourth proportional to 265,393.80, 366,273.70 and 157,964.20 is: 218,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,393.80 : 366,273.70 = 157,964.20 : x
  2. Step 2: Convert to fraction form
    265,393.80/366,273.70 = 157,964.20/x
  3. Step 3: Cross multiply
    265,393.80x = 366,273.70 × 157,964.20
  4. Step 4: Simplify right side
    265,393.80x = 57,858,132,001.54
  5. Step 5: Solve for x
    x = 57,858,132,001.54/265,393.80
  6. Step 6: Final answer
    x = 218,008.60

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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.