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Finding the Fourth Proportional to 1,034.71, 1,428.03 and 592.65

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Solution

The fourth proportional to 1,034.71, 1,428.03 and 592.65 is: 817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.71 : 1,428.03 = 592.65 : x
  2. Step 2: Convert to fraction form
    1,034.71/1,428.03 = 592.65/x
  3. Step 3: Cross multiply
    1,034.71x = 1,428.03 × 592.65
  4. Step 4: Simplify right side
    1,034.71x = 846,321.98
  5. Step 5: Solve for x
    x = 846,321.98/1,034.71
  6. Step 6: Final answer
    x = 817.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.