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Finding the Fourth Proportional to 240,339.48, 359,984.33 and 198,086.64

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Solution

The fourth proportional to 240,339.48, 359,984.33 and 198,086.64 is: 296,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,339.48 : 359,984.33 = 198,086.64 : x
  2. Step 2: Convert to fraction form
    240,339.48/359,984.33 = 198,086.64/x
  3. Step 3: Cross multiply
    240,339.48x = 359,984.33 × 198,086.64
  4. Step 4: Simplify right side
    240,339.48x = 71,308,086,382.35
  5. Step 5: Solve for x
    x = 71,308,086,382.35/240,339.48
  6. Step 6: Final answer
    x = 296,697.35

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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.