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Finding the Fourth Proportional to 248,459.60, 372,250.20 and 240,237.20

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Solution

The fourth proportional to 248,459.60, 372,250.20 and 240,237.20 is: 359,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,459.60 : 372,250.20 = 240,237.20 : x
  2. Step 2: Convert to fraction form
    248,459.60/372,250.20 = 240,237.20/x
  3. Step 3: Cross multiply
    248,459.60x = 372,250.20 × 240,237.20
  4. Step 4: Simplify right side
    248,459.60x = 89,428,345,747.44
  5. Step 5: Solve for x
    x = 89,428,345,747.44/248,459.60
  6. Step 6: Final answer
    x = 359,931.13

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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.