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Finding the Fourth Proportional to 440,712.92, 608,527.13 and 338,576.51

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Solution

The fourth proportional to 440,712.92, 608,527.13 and 338,576.51 is: 467,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,712.92 : 608,527.13 = 338,576.51 : x
  2. Step 2: Convert to fraction form
    440,712.92/608,527.13 = 338,576.51/x
  3. Step 3: Cross multiply
    440,712.92x = 608,527.13 × 338,576.51
  4. Step 4: Simplify right side
    440,712.92x = 206,032,987,180.20
  5. Step 5: Solve for x
    x = 206,032,987,180.20/440,712.92
  6. Step 6: Final answer
    x = 467,499.32

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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.