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Finding the Fourth Proportional to 248,466.60, 372,260.70 and 240,244.20

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Solution

The fourth proportional to 248,466.60, 372,260.70 and 240,244.20 is: 359,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,466.60 : 372,260.70 = 240,244.20 : x
  2. Step 2: Convert to fraction form
    248,466.60/372,260.70 = 240,244.20/x
  3. Step 3: Cross multiply
    248,466.60x = 372,260.70 × 240,244.20
  4. Step 4: Simplify right side
    248,466.60x = 89,433,474,062.94
  5. Step 5: Solve for x
    x = 89,433,474,062.94/248,466.60
  6. Step 6: Final answer
    x = 359,941.63

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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.