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Finding the Fourth Proportional to 1,063.35, 1,595.13 and 322.92

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Solution

The fourth proportional to 1,063.35, 1,595.13 and 322.92 is: 484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.35 : 1,595.13 = 322.92 : x
  2. Step 2: Convert to fraction form
    1,063.35/1,595.13 = 322.92/x
  3. Step 3: Cross multiply
    1,063.35x = 1,595.13 × 322.92
  4. Step 4: Simplify right side
    1,063.35x = 515,099.38
  5. Step 5: Solve for x
    x = 515,099.38/1,063.35
  6. Step 6: Final answer
    x = 484.41

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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.