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Finding the Fourth Proportional to 359,127.70, 495,599.57 and 197,988.46

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Solution

The fourth proportional to 359,127.70, 495,599.57 and 197,988.46 is: 273,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,127.70 : 495,599.57 = 197,988.46 : x
  2. Step 2: Convert to fraction form
    359,127.70/495,599.57 = 197,988.46/x
  3. Step 3: Cross multiply
    359,127.70x = 495,599.57 × 197,988.46
  4. Step 4: Simplify right side
    359,127.70x = 98,122,995,640.96
  5. Step 5: Solve for x
    x = 98,122,995,640.96/359,127.70
  6. Step 6: Final answer
    x = 273,225.92

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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.