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Finding the Fourth Proportional to 666,092.46, 999,466.72 and 311,054.88

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Solution

The fourth proportional to 666,092.46, 999,466.72 and 311,054.88 is: 466,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,092.46 : 999,466.72 = 311,054.88 : x
  2. Step 2: Convert to fraction form
    666,092.46/999,466.72 = 311,054.88/x
  3. Step 3: Cross multiply
    666,092.46x = 999,466.72 × 311,054.88
  4. Step 4: Simplify right side
    666,092.46x = 310,889,000,653.59
  5. Step 5: Solve for x
    x = 310,889,000,653.59/666,092.46
  6. Step 6: Final answer
    x = 466,735.50

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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.