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Finding the Fourth Proportional to 296,305.54, 408,904.12 and 173,871.13

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Solution

The fourth proportional to 296,305.54, 408,904.12 and 173,871.13 is: 239,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,305.54 : 408,904.12 = 173,871.13 : x
  2. Step 2: Convert to fraction form
    296,305.54/408,904.12 = 173,871.13/x
  3. Step 3: Cross multiply
    296,305.54x = 408,904.12 × 173,871.13
  4. Step 4: Simplify right side
    296,305.54x = 71,096,623,006.88
  5. Step 5: Solve for x
    x = 71,096,623,006.88/296,305.54
  6. Step 6: Final answer
    x = 239,943.61

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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.