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Finding the Fourth Proportional to 927,576, 1,391,364 and 227,160

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Solution

The fourth proportional to 927,576, 1,391,364 and 227,160 is: 340,740

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,576 : 1,391,364 = 227,160 : x
  2. Step 2: Convert to fraction form
    927,576/1,391,364 = 227,160/x
  3. Step 3: Cross multiply
    927,576x = 1,391,364 × 227,160
  4. Step 4: Simplify right side
    927,576x = 316,062,246,240
  5. Step 5: Solve for x
    x = 316,062,246,240/927,576
  6. Step 6: Final answer
    x = 340,740

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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.