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Finding the Fourth Proportional to 471,100.90, 650,060.18 and 318,471.18

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Solution

The fourth proportional to 471,100.90, 650,060.18 and 318,471.18 is: 439,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,100.90 : 650,060.18 = 318,471.18 : x
  2. Step 2: Convert to fraction form
    471,100.90/650,060.18 = 318,471.18/x
  3. Step 3: Cross multiply
    471,100.90x = 650,060.18 × 318,471.18
  4. Step 4: Simplify right side
    471,100.90x = 207,025,432,595.61
  5. Step 5: Solve for x
    x = 207,025,432,595.61/471,100.90
  6. Step 6: Final answer
    x = 439,450.30

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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.