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Finding the Fourth Proportional to 359,234.98, 495,733.65 and 198,089.98

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Solution

The fourth proportional to 359,234.98, 495,733.65 and 198,089.98 is: 273,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,234.98 : 495,733.65 = 198,089.98 : x
  2. Step 2: Convert to fraction form
    359,234.98/495,733.65 = 198,089.98/x
  3. Step 3: Cross multiply
    359,234.98x = 495,733.65 × 198,089.98
  4. Step 4: Simplify right side
    359,234.98x = 98,199,868,813.83
  5. Step 5: Solve for x
    x = 98,199,868,813.83/359,234.98
  6. Step 6: Final answer
    x = 273,358.31

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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.