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Finding the Fourth Proportional to 440,659.55, 608,055.77 and 268,514.80

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Solution

The fourth proportional to 440,659.55, 608,055.77 and 268,514.80 is: 370,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,659.55 : 608,055.77 = 268,514.80 : x
  2. Step 2: Convert to fraction form
    440,659.55/608,055.77 = 268,514.80/x
  3. Step 3: Cross multiply
    440,659.55x = 608,055.77 × 268,514.80
  4. Step 4: Simplify right side
    440,659.55x = 163,271,972,621.54
  5. Step 5: Solve for x
    x = 163,271,972,621.54/440,659.55
  6. Step 6: Final answer
    x = 370,517.27

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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.