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Finding the Fourth Proportional to 1,076.65, 1,614.67 and 296.46

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Solution

The fourth proportional to 1,076.65, 1,614.67 and 296.46 is: 444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076.65 : 1,614.67 = 296.46 : x
  2. Step 2: Convert to fraction form
    1,076.65/1,614.67 = 296.46/x
  3. Step 3: Cross multiply
    1,076.65x = 1,614.67 × 296.46
  4. Step 4: Simplify right side
    1,076.65x = 478,685.07
  5. Step 5: Solve for x
    x = 478,685.07/1,076.65
  6. Step 6: Final answer
    x = 444.61

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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.