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Finding the Fourth Proportional to 587,223.48, 880,853.49 and 279,408.01

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Solution

The fourth proportional to 587,223.48, 880,853.49 and 279,408.01 is: 419,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,223.48 : 880,853.49 = 279,408.01 : x
  2. Step 2: Convert to fraction form
    587,223.48/880,853.49 = 279,408.01/x
  3. Step 3: Cross multiply
    587,223.48x = 880,853.49 × 279,408.01
  4. Step 4: Simplify right side
    587,223.48x = 246,117,520,742.46
  5. Step 5: Solve for x
    x = 246,117,520,742.46/587,223.48
  6. Step 6: Final answer
    x = 419,120.71

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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.