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Finding the Fourth Proportional to 1,468.40, 2,203.14 and 602.78

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Solution

The fourth proportional to 1,468.40, 2,203.14 and 602.78 is: 904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.40 : 2,203.14 = 602.78 : x
  2. Step 2: Convert to fraction form
    1,468.40/2,203.14 = 602.78/x
  3. Step 3: Cross multiply
    1,468.40x = 2,203.14 × 602.78
  4. Step 4: Simplify right side
    1,468.40x = 1,328,008.73
  5. Step 5: Solve for x
    x = 1,328,008.73/1,468.40
  6. Step 6: Final answer
    x = 904.39

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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.