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Finding the Fourth Proportional to 382,426.46, 527,859.76 and 255,101.74

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Solution

The fourth proportional to 382,426.46, 527,859.76 and 255,101.74 is: 352,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,426.46 : 527,859.76 = 255,101.74 : x
  2. Step 2: Convert to fraction form
    382,426.46/527,859.76 = 255,101.74/x
  3. Step 3: Cross multiply
    382,426.46x = 527,859.76 × 255,101.74
  4. Step 4: Simplify right side
    382,426.46x = 134,657,943,251.98
  5. Step 5: Solve for x
    x = 134,657,943,251.98/382,426.46
  6. Step 6: Final answer
    x = 352,114.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.