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Finding the Fourth Proportional to 1,096.64, 1,644.80 and 366.08

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Solution

The fourth proportional to 1,096.64, 1,644.80 and 366.08 is: 549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.64 : 1,644.80 = 366.08 : x
  2. Step 2: Convert to fraction form
    1,096.64/1,644.80 = 366.08/x
  3. Step 3: Cross multiply
    1,096.64x = 1,644.80 × 366.08
  4. Step 4: Simplify right side
    1,096.64x = 602,128.38
  5. Step 5: Solve for x
    x = 602,128.38/1,096.64
  6. Step 6: Final answer
    x = 549.07

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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.