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Finding the Fourth Proportional to 1,104.14, 1,656.03 and 373.70

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Solution

The fourth proportional to 1,104.14, 1,656.03 and 373.70 is: 560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.14 : 1,656.03 = 373.70 : x
  2. Step 2: Convert to fraction form
    1,104.14/1,656.03 = 373.70/x
  3. Step 3: Cross multiply
    1,104.14x = 1,656.03 × 373.70
  4. Step 4: Simplify right side
    1,104.14x = 618,858.41
  5. Step 5: Solve for x
    x = 618,858.41/1,104.14
  6. Step 6: Final answer
    x = 560.49

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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.