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Finding the Fourth Proportional to 359,144.80, 495,623.28 and 198,006.10

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Solution

The fourth proportional to 359,144.80, 495,623.28 and 198,006.10 is: 273,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,144.80 : 495,623.28 = 198,006.10 : x
  2. Step 2: Convert to fraction form
    359,144.80/495,623.28 = 198,006.10/x
  3. Step 3: Cross multiply
    359,144.80x = 495,623.28 × 198,006.10
  4. Step 4: Simplify right side
    359,144.80x = 98,136,432,742.01
  5. Step 5: Solve for x
    x = 98,136,432,742.01/359,144.80
  6. Step 6: Final answer
    x = 273,250.32

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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.