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Finding the Fourth Proportional to 440,314.83, 660,555.31 and 140,714.97

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Solution

The fourth proportional to 440,314.83, 660,555.31 and 140,714.97 is: 211,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,314.83 : 660,555.31 = 140,714.97 : x
  2. Step 2: Convert to fraction form
    440,314.83/660,555.31 = 140,714.97/x
  3. Step 3: Cross multiply
    440,314.83x = 660,555.31 × 140,714.97
  4. Step 4: Simplify right side
    440,314.83x = 92,950,020,278.20
  5. Step 5: Solve for x
    x = 92,950,020,278.20/440,314.83
  6. Step 6: Final answer
    x = 211,099.00

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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.