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Finding the Fourth Proportional to 351,135.64, 484,566.87 and 198,206.02

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Solution

The fourth proportional to 351,135.64, 484,566.87 and 198,206.02 is: 273,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,135.64 : 484,566.87 = 198,206.02 : x
  2. Step 2: Convert to fraction form
    351,135.64/484,566.87 = 198,206.02/x
  3. Step 3: Cross multiply
    351,135.64x = 484,566.87 × 198,206.02
  4. Step 4: Simplify right side
    351,135.64x = 96,044,070,726.56
  5. Step 5: Solve for x
    x = 96,044,070,726.56/351,135.64
  6. Step 6: Final answer
    x = 273,524.13

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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.