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Finding the Fourth Proportional to 359,116.60, 495,582.41 and 197,968.11

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Solution

The fourth proportional to 359,116.60, 495,582.41 and 197,968.11 is: 273,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,116.60 : 495,582.41 = 197,968.11 : x
  2. Step 2: Convert to fraction form
    359,116.60/495,582.41 = 197,968.11/x
  3. Step 3: Cross multiply
    359,116.60x = 495,582.41 × 197,968.11
  4. Step 4: Simplify right side
    359,116.60x = 98,109,513,056.95
  5. Step 5: Solve for x
    x = 98,109,513,056.95/359,116.60
  6. Step 6: Final answer
    x = 273,196.82

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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.