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Finding the Fourth Proportional to 587,397.48, 810,738.90 and 332,889

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Solution

The fourth proportional to 587,397.48, 810,738.90 and 332,889 is: 459,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,397.48 : 810,738.90 = 332,889 : x
  2. Step 2: Convert to fraction form
    587,397.48/810,738.90 = 332,889/x
  3. Step 3: Cross multiply
    587,397.48x = 810,738.90 × 332,889
  4. Step 4: Simplify right side
    587,397.48x = 269,886,061,682.10
  5. Step 5: Solve for x
    x = 269,886,061,682.10/587,397.48
  6. Step 6: Final answer
    x = 459,460.71

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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.