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Finding the Fourth Proportional to 359,232.22, 495,729.86 and 198,087.23

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Solution

The fourth proportional to 359,232.22, 495,729.86 and 198,087.23 is: 273,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,232.22 : 495,729.86 = 198,087.23 : x
  2. Step 2: Convert to fraction form
    359,232.22/495,729.86 = 198,087.23/x
  3. Step 3: Cross multiply
    359,232.22x = 495,729.86 × 198,087.23
  4. Step 4: Simplify right side
    359,232.22x = 98,197,754,795.69
  5. Step 5: Solve for x
    x = 98,197,754,795.69/359,232.22
  6. Step 6: Final answer
    x = 273,354.53

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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.