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Finding the Fourth Proportional to 1,332.07, 1,998.14 and 358.17

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Solution

The fourth proportional to 1,332.07, 1,998.14 and 358.17 is: 537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.07 : 1,998.14 = 358.17 : x
  2. Step 2: Convert to fraction form
    1,332.07/1,998.14 = 358.17/x
  3. Step 3: Cross multiply
    1,332.07x = 1,998.14 × 358.17
  4. Step 4: Simplify right side
    1,332.07x = 715,678.78
  5. Step 5: Solve for x
    x = 715,678.78/1,332.07
  6. Step 6: Final answer
    x = 537.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.