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Finding the Fourth Proportional to 764.02, 1,051.95 and 652.24

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Solution

The fourth proportional to 764.02, 1,051.95 and 652.24 is: 898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    764.02 : 1,051.95 = 652.24 : x
  2. Step 2: Convert to fraction form
    764.02/1,051.95 = 652.24/x
  3. Step 3: Cross multiply
    764.02x = 1,051.95 × 652.24
  4. Step 4: Simplify right side
    764.02x = 686,123.87
  5. Step 5: Solve for x
    x = 686,123.87/764.02
  6. Step 6: Final answer
    x = 898.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.