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Finding the Fourth Proportional to 326,069.20, 488,520.60 and 201,264.40

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Solution

The fourth proportional to 326,069.20, 488,520.60 and 201,264.40 is: 301,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,069.20 : 488,520.60 = 201,264.40 : x
  2. Step 2: Convert to fraction form
    326,069.20/488,520.60 = 201,264.40/x
  3. Step 3: Cross multiply
    326,069.20x = 488,520.60 × 201,264.40
  4. Step 4: Simplify right side
    326,069.20x = 98,321,805,446.64
  5. Step 5: Solve for x
    x = 98,321,805,446.64/326,069.20
  6. Step 6: Final answer
    x = 301,536.62

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1.5x scale

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.