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Finding the Fourth Proportional to 359,049.92, 495,492.19 and 197,911.15

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Solution

The fourth proportional to 359,049.92, 495,492.19 and 197,911.15 is: 273,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,049.92 : 495,492.19 = 197,911.15 : x
  2. Step 2: Convert to fraction form
    359,049.92/495,492.19 = 197,911.15/x
  3. Step 3: Cross multiply
    359,049.92x = 495,492.19 × 197,911.15
  4. Step 4: Simplify right side
    359,049.92x = 98,063,427,405.41
  5. Step 5: Solve for x
    x = 98,063,427,405.41/359,049.92
  6. Step 6: Final answer
    x = 273,119.21

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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.