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Finding the Fourth Proportional to 1,103.37, 1,655.04 and 373.45

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Solution

The fourth proportional to 1,103.37, 1,655.04 and 373.45 is: 560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.37 : 1,655.04 = 373.45 : x
  2. Step 2: Convert to fraction form
    1,103.37/1,655.04 = 373.45/x
  3. Step 3: Cross multiply
    1,103.37x = 1,655.04 × 373.45
  4. Step 4: Simplify right side
    1,103.37x = 618,074.69
  5. Step 5: Solve for x
    x = 618,074.69/1,103.37
  6. Step 6: Final answer
    x = 560.17

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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.