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Finding the Fourth Proportional to 922.37, 1,382.66 and 592.38

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Solution

The fourth proportional to 922.37, 1,382.66 and 592.38 is: 887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.37 : 1,382.66 = 592.38 : x
  2. Step 2: Convert to fraction form
    922.37/1,382.66 = 592.38/x
  3. Step 3: Cross multiply
    922.37x = 1,382.66 × 592.38
  4. Step 4: Simplify right side
    922.37x = 819,053.22
  5. Step 5: Solve for x
    x = 819,053.22/922.37
  6. Step 6: Final answer
    x = 887.99

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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.