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Finding the Fourth Proportional to 373,309.20, 559,963.80 and 204,764.40

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Solution

The fourth proportional to 373,309.20, 559,963.80 and 204,764.40 is: 307,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,309.20 : 559,963.80 = 204,764.40 : x
  2. Step 2: Convert to fraction form
    373,309.20/559,963.80 = 204,764.40/x
  3. Step 3: Cross multiply
    373,309.20x = 559,963.80 × 204,764.40
  4. Step 4: Simplify right side
    373,309.20x = 114,660,651,528.72
  5. Step 5: Solve for x
    x = 114,660,651,528.72/373,309.20
  6. Step 6: Final answer
    x = 307,146.60

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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.