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Finding the Fourth Proportional to 547,609.04, 820,298.17 and 446,766.47

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Solution

The fourth proportional to 547,609.04, 820,298.17 and 446,766.47 is: 669,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,609.04 : 820,298.17 = 446,766.47 : x
  2. Step 2: Convert to fraction form
    547,609.04/820,298.17 = 446,766.47/x
  3. Step 3: Cross multiply
    547,609.04x = 820,298.17 × 446,766.47
  4. Step 4: Simplify right side
    547,609.04x = 366,481,717,291.45
  5. Step 5: Solve for x
    x = 366,481,717,291.45/547,609.04
  6. Step 6: Final answer
    x = 669,239.72

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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.