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Finding the Fourth Proportional to 977.96, 1,467.24 and 567.02

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Solution

The fourth proportional to 977.96, 1,467.24 and 567.02 is: 850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.96 : 1,467.24 = 567.02 : x
  2. Step 2: Convert to fraction form
    977.96/1,467.24 = 567.02/x
  3. Step 3: Cross multiply
    977.96x = 1,467.24 × 567.02
  4. Step 4: Simplify right side
    977.96x = 831,954.42
  5. Step 5: Solve for x
    x = 831,954.42/977.96
  6. Step 6: Final answer
    x = 850.70

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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.