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Finding the Fourth Proportional to 318,202, 439,107.52 and 174,961.04

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Solution

The fourth proportional to 318,202, 439,107.52 and 174,961.04 is: 241,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,202 : 439,107.52 = 174,961.04 : x
  2. Step 2: Convert to fraction form
    318,202/439,107.52 = 174,961.04/x
  3. Step 3: Cross multiply
    318,202x = 439,107.52 × 174,961.04
  4. Step 4: Simplify right side
    318,202x = 76,826,708,371.02
  5. Step 5: Solve for x
    x = 76,826,708,371.02/318,202
  6. Step 6: Final answer
    x = 241,440.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.