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Finding the Fourth Proportional to 1,024, 1,538.42 and 591.46

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Solution

The fourth proportional to 1,024, 1,538.42 and 591.46 is: 888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024 : 1,538.42 = 591.46 : x
  2. Step 2: Convert to fraction form
    1,024/1,538.42 = 591.46/x
  3. Step 3: Cross multiply
    1,024x = 1,538.42 × 591.46
  4. Step 4: Simplify right side
    1,024x = 909,913.89
  5. Step 5: Solve for x
    x = 909,913.89/1,024
  6. Step 6: Final answer
    x = 888.59

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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.