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Finding the Fourth Proportional to 408,393.27, 563,500.11 and 238,594.59

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Solution

The fourth proportional to 408,393.27, 563,500.11 and 238,594.59 is: 329,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,393.27 : 563,500.11 = 238,594.59 : x
  2. Step 2: Convert to fraction form
    408,393.27/563,500.11 = 238,594.59/x
  3. Step 3: Cross multiply
    408,393.27x = 563,500.11 × 238,594.59
  4. Step 4: Simplify right side
    408,393.27x = 134,448,077,710.41
  5. Step 5: Solve for x
    x = 134,448,077,710.41/408,393.27
  6. Step 6: Final answer
    x = 329,212.28

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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.