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Finding the Fourth Proportional to 359,159.67, 495,662.63 and 198,014.45

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Solution

The fourth proportional to 359,159.67, 495,662.63 and 198,014.45 is: 273,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,159.67 : 495,662.63 = 198,014.45 : x
  2. Step 2: Convert to fraction form
    359,159.67/495,662.63 = 198,014.45/x
  3. Step 3: Cross multiply
    359,159.67x = 495,662.63 × 198,014.45
  4. Step 4: Simplify right side
    359,159.67x = 98,148,359,596.62
  5. Step 5: Solve for x
    x = 98,148,359,596.62/359,159.67
  6. Step 6: Final answer
    x = 273,272.22

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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.