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Finding the Fourth Proportional to 444,459.12, 666,550.32 and 148,902

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Solution

The fourth proportional to 444,459.12, 666,550.32 and 148,902 is: 223,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,459.12 : 666,550.32 = 148,902 : x
  2. Step 2: Convert to fraction form
    444,459.12/666,550.32 = 148,902/x
  3. Step 3: Cross multiply
    444,459.12x = 666,550.32 × 148,902
  4. Step 4: Simplify right side
    444,459.12x = 99,250,675,748.64
  5. Step 5: Solve for x
    x = 99,250,675,748.64/444,459.12
  6. Step 6: Final answer
    x = 223,306.65

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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.