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Finding the Fourth Proportional to 706,540.56, 974,610.90 and 444,479.14

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Solution

The fourth proportional to 706,540.56, 974,610.90 and 444,479.14 is: 613,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,540.56 : 974,610.90 = 444,479.14 : x
  2. Step 2: Convert to fraction form
    706,540.56/974,610.90 = 444,479.14/x
  3. Step 3: Cross multiply
    706,540.56x = 974,610.90 × 444,479.14
  4. Step 4: Simplify right side
    706,540.56x = 433,194,214,666.63
  5. Step 5: Solve for x
    x = 433,194,214,666.63/706,540.56
  6. Step 6: Final answer
    x = 613,120.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.