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Finding the Fourth Proportional to 666,592.74, 999,889.11 and 366,919.07

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Solution

The fourth proportional to 666,592.74, 999,889.11 and 366,919.07 is: 550,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,592.74 : 999,889.11 = 366,919.07 : x
  2. Step 2: Convert to fraction form
    666,592.74/999,889.11 = 366,919.07/x
  3. Step 3: Cross multiply
    666,592.74x = 999,889.11 × 366,919.07
  4. Step 4: Simplify right side
    666,592.74x = 366,878,377,344.88
  5. Step 5: Solve for x
    x = 366,878,377,344.88/666,592.74
  6. Step 6: Final answer
    x = 550,378.60

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Similar ratio
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1.5x scale

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.