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Finding the Fourth Proportional to 440,145.90, 659,234.70 and 440,145.90

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Solution

The fourth proportional to 440,145.90, 659,234.70 and 440,145.90 is: 659,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,145.90 : 659,234.70 = 440,145.90 : x
  2. Step 2: Convert to fraction form
    440,145.90/659,234.70 = 440,145.90/x
  3. Step 3: Cross multiply
    440,145.90x = 659,234.70 × 440,145.90
  4. Step 4: Simplify right side
    440,145.90x = 290,159,450,342.73
  5. Step 5: Solve for x
    x = 290,159,450,342.73/440,145.90
  6. Step 6: Final answer
    x = 659,234.70

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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.