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Finding the Fourth Proportional to 440,524.12, 663,747.58 and 398,451.10

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Solution

The fourth proportional to 440,524.12, 663,747.58 and 398,451.10 is: 600,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,524.12 : 663,747.58 = 398,451.10 : x
  2. Step 2: Convert to fraction form
    440,524.12/663,747.58 = 398,451.10/x
  3. Step 3: Cross multiply
    440,524.12x = 663,747.58 × 398,451.10
  4. Step 4: Simplify right side
    440,524.12x = 264,470,953,373.34
  5. Step 5: Solve for x
    x = 264,470,953,373.34/440,524.12
  6. Step 6: Final answer
    x = 600,355.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.