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Finding the Fourth Proportional to 573,069.32, 790,633.62 and 327,875

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Solution

The fourth proportional to 573,069.32, 790,633.62 and 327,875 is: 452,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,069.32 : 790,633.62 = 327,875 : x
  2. Step 2: Convert to fraction form
    573,069.32/790,633.62 = 327,875/x
  3. Step 3: Cross multiply
    573,069.32x = 790,633.62 × 327,875
  4. Step 4: Simplify right side
    573,069.32x = 259,228,998,157.50
  5. Step 5: Solve for x
    x = 259,228,998,157.50/573,069.32
  6. Step 6: Final answer
    x = 452,351.90

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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.