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Finding the Fourth Proportional to 234,061.80, 351,092.70 and 198,632.40

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Solution

The fourth proportional to 234,061.80, 351,092.70 and 198,632.40 is: 297,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,061.80 : 351,092.70 = 198,632.40 : x
  2. Step 2: Convert to fraction form
    234,061.80/351,092.70 = 198,632.40/x
  3. Step 3: Cross multiply
    234,061.80x = 351,092.70 × 198,632.40
  4. Step 4: Simplify right side
    234,061.80x = 69,738,385,623.48
  5. Step 5: Solve for x
    x = 69,738,385,623.48/234,061.80
  6. Step 6: Final answer
    x = 297,948.60

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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.