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Finding the Fourth Proportional to 1,529.68, 2,293.44 and 652.20

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Solution

The fourth proportional to 1,529.68, 2,293.44 and 652.20 is: 977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.68 : 2,293.44 = 652.20 : x
  2. Step 2: Convert to fraction form
    1,529.68/2,293.44 = 652.20/x
  3. Step 3: Cross multiply
    1,529.68x = 2,293.44 × 652.20
  4. Step 4: Simplify right side
    1,529.68x = 1,495,781.57
  5. Step 5: Solve for x
    x = 1,495,781.57/1,529.68
  6. Step 6: Final answer
    x = 977.84

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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.