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Finding the Fourth Proportional to 628,007.14, 866,641.67 and 341,521.06

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Solution

The fourth proportional to 628,007.14, 866,641.67 and 341,521.06 is: 471,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,007.14 : 866,641.67 = 341,521.06 : x
  2. Step 2: Convert to fraction form
    628,007.14/866,641.67 = 341,521.06/x
  3. Step 3: Cross multiply
    628,007.14x = 866,641.67 × 341,521.06
  4. Step 4: Simplify right side
    628,007.14x = 295,976,381,778.57
  5. Step 5: Solve for x
    x = 295,976,381,778.57/628,007.14
  6. Step 6: Final answer
    x = 471,294.61

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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.