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Finding the Fourth Proportional to 452,788.63, 678,061.91 and 332,560.47

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Solution

The fourth proportional to 452,788.63, 678,061.91 and 332,560.47 is: 498,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,788.63 : 678,061.91 = 332,560.47 : x
  2. Step 2: Convert to fraction form
    452,788.63/678,061.91 = 332,560.47/x
  3. Step 3: Cross multiply
    452,788.63x = 678,061.91 × 332,560.47
  4. Step 4: Simplify right side
    452,788.63x = 225,496,587,478.70
  5. Step 5: Solve for x
    x = 225,496,587,478.70/452,788.63
  6. Step 6: Final answer
    x = 498,017.34

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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.