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Finding the Fourth Proportional to 654,861.70, 982,292.55 and 444,909.70

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Solution

The fourth proportional to 654,861.70, 982,292.55 and 444,909.70 is: 667,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,861.70 : 982,292.55 = 444,909.70 : x
  2. Step 2: Convert to fraction form
    654,861.70/982,292.55 = 444,909.70/x
  3. Step 3: Cross multiply
    654,861.70x = 982,292.55 × 444,909.70
  4. Step 4: Simplify right side
    654,861.70x = 437,031,483,732.74
  5. Step 5: Solve for x
    x = 437,031,483,732.74/654,861.70
  6. Step 6: Final answer
    x = 667,364.55

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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.