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Finding the Fourth Proportional to 882,747, 1,324,123.74 and 217,899

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Solution

The fourth proportional to 882,747, 1,324,123.74 and 217,899 is: 326,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,747 : 1,324,123.74 = 217,899 : x
  2. Step 2: Convert to fraction form
    882,747/1,324,123.74 = 217,899/x
  3. Step 3: Cross multiply
    882,747x = 1,324,123.74 × 217,899
  4. Step 4: Simplify right side
    882,747x = 288,525,238,822.26
  5. Step 5: Solve for x
    x = 288,525,238,822.26/882,747
  6. Step 6: Final answer
    x = 326,849.30

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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.