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Finding the Fourth Proportional to 248,864.30, 373,296.45 and 235,385.90

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Solution

The fourth proportional to 248,864.30, 373,296.45 and 235,385.90 is: 353,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,864.30 : 373,296.45 = 235,385.90 : x
  2. Step 2: Convert to fraction form
    248,864.30/373,296.45 = 235,385.90/x
  3. Step 3: Cross multiply
    248,864.30x = 373,296.45 × 235,385.90
  4. Step 4: Simplify right side
    248,864.30x = 87,868,720,850.06
  5. Step 5: Solve for x
    x = 87,868,720,850.06/248,864.30
  6. Step 6: Final answer
    x = 353,078.85

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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.