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Finding the Fourth Proportional to 1,095.06, 1,642.24 and 364.48

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Solution

The fourth proportional to 1,095.06, 1,642.24 and 364.48 is: 546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.06 : 1,642.24 = 364.48 : x
  2. Step 2: Convert to fraction form
    1,095.06/1,642.24 = 364.48/x
  3. Step 3: Cross multiply
    1,095.06x = 1,642.24 × 364.48
  4. Step 4: Simplify right side
    1,095.06x = 598,563.64
  5. Step 5: Solve for x
    x = 598,563.64/1,095.06
  6. Step 6: Final answer
    x = 546.60

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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.