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Finding the Fourth Proportional to 587,450.32, 810,721.54 and 332,803.60

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Solution

The fourth proportional to 587,450.32, 810,721.54 and 332,803.60 is: 459,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,450.32 : 810,721.54 = 332,803.60 : x
  2. Step 2: Convert to fraction form
    587,450.32/810,721.54 = 332,803.60/x
  3. Step 3: Cross multiply
    587,450.32x = 810,721.54 × 332,803.60
  4. Step 4: Simplify right side
    587,450.32x = 269,811,047,109.54
  5. Step 5: Solve for x
    x = 269,811,047,109.54/587,450.32
  6. Step 6: Final answer
    x = 459,291.68

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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.