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Finding the Fourth Proportional to 666,423.33, 999,192.11 and 367,044.90

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Solution

The fourth proportional to 666,423.33, 999,192.11 and 367,044.90 is: 550,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,423.33 : 999,192.11 = 367,044.90 : x
  2. Step 2: Convert to fraction form
    666,423.33/999,192.11 = 367,044.90/x
  3. Step 3: Cross multiply
    666,423.33x = 999,192.11 × 367,044.90
  4. Step 4: Simplify right side
    666,423.33x = 366,748,366,260.52
  5. Step 5: Solve for x
    x = 366,748,366,260.52/666,423.33
  6. Step 6: Final answer
    x = 550,323.42

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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.