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Finding the Fourth Proportional to 977.02, 1,464.81 and 592.18

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Solution

The fourth proportional to 977.02, 1,464.81 and 592.18 is: 887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.02 : 1,464.81 = 592.18 : x
  2. Step 2: Convert to fraction form
    977.02/1,464.81 = 592.18/x
  3. Step 3: Cross multiply
    977.02x = 1,464.81 × 592.18
  4. Step 4: Simplify right side
    977.02x = 867,431.19
  5. Step 5: Solve for x
    x = 867,431.19/977.02
  6. Step 6: Final answer
    x = 887.83

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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.