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Finding the Fourth Proportional to 1,034.45, 1,427.40 and 592.38

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Solution

The fourth proportional to 1,034.45, 1,427.40 and 592.38 is: 817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.45 : 1,427.40 = 592.38 : x
  2. Step 2: Convert to fraction form
    1,034.45/1,427.40 = 592.38/x
  3. Step 3: Cross multiply
    1,034.45x = 1,427.40 × 592.38
  4. Step 4: Simplify right side
    1,034.45x = 845,563.21
  5. Step 5: Solve for x
    x = 845,563.21/1,034.45
  6. Step 6: Final answer
    x = 817.40

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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.