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Finding the Fourth Proportional to 359,196.12, 495,693.98 and 198,056.95

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Solution

The fourth proportional to 359,196.12, 495,693.98 and 198,056.95 is: 273,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,196.12 : 495,693.98 = 198,056.95 : x
  2. Step 2: Convert to fraction form
    359,196.12/495,693.98 = 198,056.95/x
  3. Step 3: Cross multiply
    359,196.12x = 495,693.98 × 198,056.95
  4. Step 4: Simplify right side
    359,196.12x = 98,175,636,325.35
  5. Step 5: Solve for x
    x = 98,175,636,325.35/359,196.12
  6. Step 6: Final answer
    x = 273,320.43

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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.