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Finding the Fourth Proportional to 667,564.84, 1,001,347.06 and 443,363.04

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Solution

The fourth proportional to 667,564.84, 1,001,347.06 and 443,363.04 is: 665,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,564.84 : 1,001,347.06 = 443,363.04 : x
  2. Step 2: Convert to fraction form
    667,564.84/1,001,347.06 = 443,363.04/x
  3. Step 3: Cross multiply
    667,564.84x = 1,001,347.06 × 443,363.04
  4. Step 4: Simplify right side
    667,564.84x = 443,960,276,616.66
  5. Step 5: Solve for x
    x = 443,960,276,616.66/667,564.84
  6. Step 6: Final answer
    x = 665,044.43

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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.