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Finding the Fourth Proportional to 866,294.46, 1,299,663.06 and 333,672.48

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Solution

The fourth proportional to 866,294.46, 1,299,663.06 and 333,672.48 is: 500,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,294.46 : 1,299,663.06 = 333,672.48 : x
  2. Step 2: Convert to fraction form
    866,294.46/1,299,663.06 = 333,672.48/x
  3. Step 3: Cross multiply
    866,294.46x = 1,299,663.06 × 333,672.48
  4. Step 4: Simplify right side
    866,294.46x = 433,661,796,394.59
  5. Step 5: Solve for x
    x = 433,661,796,394.59/866,294.46
  6. Step 6: Final answer
    x = 500,593.99

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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.