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Finding the Fourth Proportional to 325,633.20, 488,449.80 and 293,492.40

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Solution

The fourth proportional to 325,633.20, 488,449.80 and 293,492.40 is: 440,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,633.20 : 488,449.80 = 293,492.40 : x
  2. Step 2: Convert to fraction form
    325,633.20/488,449.80 = 293,492.40/x
  3. Step 3: Cross multiply
    325,633.20x = 488,449.80 × 293,492.40
  4. Step 4: Simplify right side
    325,633.20x = 143,356,304,081.52
  5. Step 5: Solve for x
    x = 143,356,304,081.52/325,633.20
  6. Step 6: Final answer
    x = 440,238.60

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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.