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Finding the Fourth Proportional to 1,104.41, 1,656.65 and 364.13

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Solution

The fourth proportional to 1,104.41, 1,656.65 and 364.13 is: 546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.41 : 1,656.65 = 364.13 : x
  2. Step 2: Convert to fraction form
    1,104.41/1,656.65 = 364.13/x
  3. Step 3: Cross multiply
    1,104.41x = 1,656.65 × 364.13
  4. Step 4: Simplify right side
    1,104.41x = 603,241.79
  5. Step 5: Solve for x
    x = 603,241.79/1,104.41
  6. Step 6: Final answer
    x = 546.21

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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.