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Finding the Fourth Proportional to 337,515.20, 506,272.80 and 197,201.60

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Solution

The fourth proportional to 337,515.20, 506,272.80 and 197,201.60 is: 295,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,515.20 : 506,272.80 = 197,201.60 : x
  2. Step 2: Convert to fraction form
    337,515.20/506,272.80 = 197,201.60/x
  3. Step 3: Cross multiply
    337,515.20x = 506,272.80 × 197,201.60
  4. Step 4: Simplify right side
    337,515.20x = 99,837,806,196.48
  5. Step 5: Solve for x
    x = 99,837,806,196.48/337,515.20
  6. Step 6: Final answer
    x = 295,802.40

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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.