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Finding the Fourth Proportional to 1,063.82, 1,595.72 and 333.40

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Solution

The fourth proportional to 1,063.82, 1,595.72 and 333.40 is: 500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.82 : 1,595.72 = 333.40 : x
  2. Step 2: Convert to fraction form
    1,063.82/1,595.72 = 333.40/x
  3. Step 3: Cross multiply
    1,063.82x = 1,595.72 × 333.40
  4. Step 4: Simplify right side
    1,063.82x = 532,013.05
  5. Step 5: Solve for x
    x = 532,013.05/1,063.82
  6. Step 6: Final answer
    x = 500.10

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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.