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Finding the Fourth Proportional to 1,095.46, 1,642.54 and 364.84

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Solution

The fourth proportional to 1,095.46, 1,642.54 and 364.84 is: 547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.46 : 1,642.54 = 364.84 : x
  2. Step 2: Convert to fraction form
    1,095.46/1,642.54 = 364.84/x
  3. Step 3: Cross multiply
    1,095.46x = 1,642.54 × 364.84
  4. Step 4: Simplify right side
    1,095.46x = 599,264.29
  5. Step 5: Solve for x
    x = 599,264.29/1,095.46
  6. Step 6: Final answer
    x = 547.04

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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.