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Finding the Fourth Proportional to 1,468.02, 2,202.45 and 493.86

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Solution

The fourth proportional to 1,468.02, 2,202.45 and 493.86 is: 740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.02 : 2,202.45 = 493.86 : x
  2. Step 2: Convert to fraction form
    1,468.02/2,202.45 = 493.86/x
  3. Step 3: Cross multiply
    1,468.02x = 2,202.45 × 493.86
  4. Step 4: Simplify right side
    1,468.02x = 1,087,701.96
  5. Step 5: Solve for x
    x = 1,087,701.96/1,468.02
  6. Step 6: Final answer
    x = 740.93

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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.