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Finding the Fourth Proportional to 248,330.48, 372,495.72 and 204,376.88

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Solution

The fourth proportional to 248,330.48, 372,495.72 and 204,376.88 is: 306,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,330.48 : 372,495.72 = 204,376.88 : x
  2. Step 2: Convert to fraction form
    248,330.48/372,495.72 = 204,376.88/x
  3. Step 3: Cross multiply
    248,330.48x = 372,495.72 × 204,376.88
  4. Step 4: Simplify right side
    248,330.48x = 76,129,513,066.95
  5. Step 5: Solve for x
    x = 76,129,513,066.95/248,330.48
  6. Step 6: Final answer
    x = 306,565.32

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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.