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Finding the Fourth Proportional to 359,052.84, 495,491.04 and 197,908.20

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Solution

The fourth proportional to 359,052.84, 495,491.04 and 197,908.20 is: 273,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,052.84 : 495,491.04 = 197,908.20 : x
  2. Step 2: Convert to fraction form
    359,052.84/495,491.04 = 197,908.20/x
  3. Step 3: Cross multiply
    359,052.84x = 495,491.04 × 197,908.20
  4. Step 4: Simplify right side
    359,052.84x = 98,061,739,842.53
  5. Step 5: Solve for x
    x = 98,061,739,842.53/359,052.84
  6. Step 6: Final answer
    x = 273,112.28

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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.