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Finding the Fourth Proportional to 1,592.84, 2,389.17 and 497.12

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Solution

The fourth proportional to 1,592.84, 2,389.17 and 497.12 is: 745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.84 : 2,389.17 = 497.12 : x
  2. Step 2: Convert to fraction form
    1,592.84/2,389.17 = 497.12/x
  3. Step 3: Cross multiply
    1,592.84x = 2,389.17 × 497.12
  4. Step 4: Simplify right side
    1,592.84x = 1,187,704.19
  5. Step 5: Solve for x
    x = 1,187,704.19/1,592.84
  6. Step 6: Final answer
    x = 745.65

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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.