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Finding the Fourth Proportional to 1,588.48, 2,382.94 and 492.93

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Solution

The fourth proportional to 1,588.48, 2,382.94 and 492.93 is: 739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.48 : 2,382.94 = 492.93 : x
  2. Step 2: Convert to fraction form
    1,588.48/2,382.94 = 492.93/x
  3. Step 3: Cross multiply
    1,588.48x = 2,382.94 × 492.93
  4. Step 4: Simplify right side
    1,588.48x = 1,174,622.61
  5. Step 5: Solve for x
    x = 1,174,622.61/1,588.48
  6. Step 6: Final answer
    x = 739.46

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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.