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Finding the Fourth Proportional to 359,057.03, 495,491.96 and 195,715.09

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Solution

The fourth proportional to 359,057.03, 495,491.96 and 195,715.09 is: 270,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,057.03 : 495,491.96 = 195,715.09 : x
  2. Step 2: Convert to fraction form
    359,057.03/495,491.96 = 195,715.09/x
  3. Step 3: Cross multiply
    359,057.03x = 495,491.96 × 195,715.09
  4. Step 4: Simplify right side
    359,057.03x = 96,975,251,316.74
  5. Step 5: Solve for x
    x = 96,975,251,316.74/359,057.03
  6. Step 6: Final answer
    x = 270,083.15

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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.