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Finding the Fourth Proportional to 397,301.20, 595,951.80 and 370,862.80

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Solution

The fourth proportional to 397,301.20, 595,951.80 and 370,862.80 is: 556,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,301.20 : 595,951.80 = 370,862.80 : x
  2. Step 2: Convert to fraction form
    397,301.20/595,951.80 = 370,862.80/x
  3. Step 3: Cross multiply
    397,301.20x = 595,951.80 × 370,862.80
  4. Step 4: Simplify right side
    397,301.20x = 221,016,353,213.04
  5. Step 5: Solve for x
    x = 221,016,353,213.04/397,301.20
  6. Step 6: Final answer
    x = 556,294.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.