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Finding the Fourth Proportional to 1,332.34, 1,998.73 and 592.21

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Solution

The fourth proportional to 1,332.34, 1,998.73 and 592.21 is: 888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.34 : 1,998.73 = 592.21 : x
  2. Step 2: Convert to fraction form
    1,332.34/1,998.73 = 592.21/x
  3. Step 3: Cross multiply
    1,332.34x = 1,998.73 × 592.21
  4. Step 4: Simplify right side
    1,332.34x = 1,183,667.89
  5. Step 5: Solve for x
    x = 1,183,667.89/1,332.34
  6. Step 6: Final answer
    x = 888.41

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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.