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Finding the Fourth Proportional to 454,874.40, 680,999.40 and 441,752.40

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Solution

The fourth proportional to 454,874.40, 680,999.40 and 441,752.40 is: 661,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,874.40 : 680,999.40 = 441,752.40 : x
  2. Step 2: Convert to fraction form
    454,874.40/680,999.40 = 441,752.40/x
  3. Step 3: Cross multiply
    454,874.40x = 680,999.40 × 441,752.40
  4. Step 4: Simplify right side
    454,874.40x = 300,833,119,348.56
  5. Step 5: Solve for x
    x = 300,833,119,348.56/454,874.40
  6. Step 6: Final answer
    x = 661,354.25

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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.