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Finding the Fourth Proportional to 965.59, 1,446.41 and 652.28

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Solution

The fourth proportional to 965.59, 1,446.41 and 652.28 is: 977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.59 : 1,446.41 = 652.28 : x
  2. Step 2: Convert to fraction form
    965.59/1,446.41 = 652.28/x
  3. Step 3: Cross multiply
    965.59x = 1,446.41 × 652.28
  4. Step 4: Simplify right side
    965.59x = 943,458.71
  5. Step 5: Solve for x
    x = 943,458.71/965.59
  6. Step 6: Final answer
    x = 977.08

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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.