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Finding the Fourth Proportional to 265,395.80, 366,276.46 and 157,966.20

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Solution

The fourth proportional to 265,395.80, 366,276.46 and 157,966.20 is: 218,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,395.80 : 366,276.46 = 157,966.20 : x
  2. Step 2: Convert to fraction form
    265,395.80/366,276.46 = 157,966.20/x
  3. Step 3: Cross multiply
    265,395.80x = 366,276.46 × 157,966.20
  4. Step 4: Simplify right side
    265,395.80x = 57,859,300,535.65
  5. Step 5: Solve for x
    x = 57,859,300,535.65/265,395.80
  6. Step 6: Final answer
    x = 218,011.36

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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.