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Finding the Fourth Proportional to 1,588.95, 2,383.63 and 614.93

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Solution

The fourth proportional to 1,588.95, 2,383.63 and 614.93 is: 922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.95 : 2,383.63 = 614.93 : x
  2. Step 2: Convert to fraction form
    1,588.95/2,383.63 = 614.93/x
  3. Step 3: Cross multiply
    1,588.95x = 2,383.63 × 614.93
  4. Step 4: Simplify right side
    1,588.95x = 1,465,752.14
  5. Step 5: Solve for x
    x = 1,465,752.14/1,588.95
  6. Step 6: Final answer
    x = 922.47

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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.