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Finding the Fourth Proportional to 359,013.33, 495,418.14 and 197,867.88

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Solution

The fourth proportional to 359,013.33, 495,418.14 and 197,867.88 is: 273,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,013.33 : 495,418.14 = 197,867.88 : x
  2. Step 2: Convert to fraction form
    359,013.33/495,418.14 = 197,867.88/x
  3. Step 3: Cross multiply
    359,013.33x = 495,418.14 × 197,867.88
  4. Step 4: Simplify right side
    359,013.33x = 98,027,337,075.34
  5. Step 5: Solve for x
    x = 98,027,337,075.34/359,013.33
  6. Step 6: Final answer
    x = 273,046.51

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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.