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Finding the Fourth Proportional to 650,083.50, 897,141.66 and 359,690.34

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Solution

The fourth proportional to 650,083.50, 897,141.66 and 359,690.34 is: 496,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,083.50 : 897,141.66 = 359,690.34 : x
  2. Step 2: Convert to fraction form
    650,083.50/897,141.66 = 359,690.34/x
  3. Step 3: Cross multiply
    650,083.50x = 897,141.66 × 359,690.34
  4. Step 4: Simplify right side
    650,083.50x = 322,693,188,713.56
  5. Step 5: Solve for x
    x = 322,693,188,713.56/650,083.50
  6. Step 6: Final answer
    x = 496,387.29

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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.