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Finding the Fourth Proportional to 351,191.93, 484,666.81 and 198,256.04

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Solution

The fourth proportional to 351,191.93, 484,666.81 and 198,256.04 is: 273,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,191.93 : 484,666.81 = 198,256.04 : x
  2. Step 2: Convert to fraction form
    351,191.93/484,666.81 = 198,256.04/x
  3. Step 3: Cross multiply
    351,191.93x = 484,666.81 × 198,256.04
  4. Step 4: Simplify right side
    351,191.93x = 96,088,122,470.03
  5. Step 5: Solve for x
    x = 96,088,122,470.03/351,191.93
  6. Step 6: Final answer
    x = 273,605.72

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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.