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Finding the Fourth Proportional to 359,018.10, 495,445.68 and 195,676.44

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Solution

The fourth proportional to 359,018.10, 495,445.68 and 195,676.44 is: 270,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,018.10 : 495,445.68 = 195,676.44 : x
  2. Step 2: Convert to fraction form
    359,018.10/495,445.68 = 195,676.44/x
  3. Step 3: Cross multiply
    359,018.10x = 495,445.68 × 195,676.44
  4. Step 4: Simplify right side
    359,018.10x = 96,947,046,875.78
  5. Step 5: Solve for x
    x = 96,947,046,875.78/359,018.10
  6. Step 6: Final answer
    x = 270,033.87

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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.