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Finding the Fourth Proportional to 260,660.76, 359,698.14 and 147,465.24

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Solution

The fourth proportional to 260,660.76, 359,698.14 and 147,465.24 is: 203,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,660.76 : 359,698.14 = 147,465.24 : x
  2. Step 2: Convert to fraction form
    260,660.76/359,698.14 = 147,465.24/x
  3. Step 3: Cross multiply
    260,660.76x = 359,698.14 × 147,465.24
  4. Step 4: Simplify right side
    260,660.76x = 53,042,972,542.65
  5. Step 5: Solve for x
    x = 53,042,972,542.65/260,660.76
  6. Step 6: Final answer
    x = 203,494.28

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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.