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Finding the Fourth Proportional to 1,592.87, 2,389.37 and 497.27

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Solution

The fourth proportional to 1,592.87, 2,389.37 and 497.27 is: 745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.87 : 2,389.37 = 497.27 : x
  2. Step 2: Convert to fraction form
    1,592.87/2,389.37 = 497.27/x
  3. Step 3: Cross multiply
    1,592.87x = 2,389.37 × 497.27
  4. Step 4: Simplify right side
    1,592.87x = 1,188,165.51
  5. Step 5: Solve for x
    x = 1,188,165.51/1,592.87
  6. Step 6: Final answer
    x = 745.93

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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.