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Finding the Fourth Proportional to 440,659.44, 608,111.28 and 239,455.44

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Solution

The fourth proportional to 440,659.44, 608,111.28 and 239,455.44 is: 330,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,659.44 : 608,111.28 = 239,455.44 : x
  2. Step 2: Convert to fraction form
    440,659.44/608,111.28 = 239,455.44/x
  3. Step 3: Cross multiply
    440,659.44x = 608,111.28 × 239,455.44
  4. Step 4: Simplify right side
    440,659.44x = 145,615,554,121.36
  5. Step 5: Solve for x
    x = 145,615,554,121.36/440,659.44
  6. Step 6: Final answer
    x = 330,449.19

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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.