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Finding the Fourth Proportional to 359,199.56, 495,689.93 and 198,050.47

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Solution

The fourth proportional to 359,199.56, 495,689.93 and 198,050.47 is: 273,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,199.56 : 495,689.93 = 198,050.47 : x
  2. Step 2: Convert to fraction form
    359,199.56/495,689.93 = 198,050.47/x
  3. Step 3: Cross multiply
    359,199.56x = 495,689.93 × 198,050.47
  4. Step 4: Simplify right side
    359,199.56x = 98,171,622,123.98
  5. Step 5: Solve for x
    x = 98,171,622,123.98/359,199.56
  6. Step 6: Final answer
    x = 273,306.63

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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.