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Finding the Fourth Proportional to 248,863.80, 373,295.70 and 235,385.40

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Solution

The fourth proportional to 248,863.80, 373,295.70 and 235,385.40 is: 353,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,863.80 : 373,295.70 = 235,385.40 : x
  2. Step 2: Convert to fraction form
    248,863.80/373,295.70 = 235,385.40/x
  3. Step 3: Cross multiply
    248,863.80x = 373,295.70 × 235,385.40
  4. Step 4: Simplify right side
    248,863.80x = 87,868,357,662.78
  5. Step 5: Solve for x
    x = 87,868,357,662.78/248,863.80
  6. Step 6: Final answer
    x = 353,078.10

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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.