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Finding the Fourth Proportional to 1,095.33, 1,641.84 and 364.71

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Solution

The fourth proportional to 1,095.33, 1,641.84 and 364.71 is: 546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.33 : 1,641.84 = 364.71 : x
  2. Step 2: Convert to fraction form
    1,095.33/1,641.84 = 364.71/x
  3. Step 3: Cross multiply
    1,095.33x = 1,641.84 × 364.71
  4. Step 4: Simplify right side
    1,095.33x = 598,795.47
  5. Step 5: Solve for x
    x = 598,795.47/1,095.33
  6. Step 6: Final answer
    x = 546.68

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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.