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Finding the Fourth Proportional to 734.88, 1,102.54 and 460.58

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Solution

The fourth proportional to 734.88, 1,102.54 and 460.58 is: 691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.88 : 1,102.54 = 460.58 : x
  2. Step 2: Convert to fraction form
    734.88/1,102.54 = 460.58/x
  3. Step 3: Cross multiply
    734.88x = 1,102.54 × 460.58
  4. Step 4: Simplify right side
    734.88x = 507,807.87
  5. Step 5: Solve for x
    x = 507,807.87/734.88
  6. Step 6: Final answer
    x = 691.01

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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.