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Finding the Fourth Proportional to 553,900.97, 830,940.03 and 234,055.85

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Solution

The fourth proportional to 553,900.97, 830,940.03 and 234,055.85 is: 351,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,900.97 : 830,940.03 = 234,055.85 : x
  2. Step 2: Convert to fraction form
    553,900.97/830,940.03 = 234,055.85/x
  3. Step 3: Cross multiply
    553,900.97x = 830,940.03 × 234,055.85
  4. Step 4: Simplify right side
    553,900.97x = 194,486,375,020.68
  5. Step 5: Solve for x
    x = 194,486,375,020.68/553,900.97
  6. Step 6: Final answer
    x = 351,121.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.