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Finding the Fourth Proportional to 1,063.70, 1,595.55 and 333.35

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Solution

The fourth proportional to 1,063.70, 1,595.55 and 333.35 is: 500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.70 : 1,595.55 = 333.35 : x
  2. Step 2: Convert to fraction form
    1,063.70/1,595.55 = 333.35/x
  3. Step 3: Cross multiply
    1,063.70x = 1,595.55 × 333.35
  4. Step 4: Simplify right side
    1,063.70x = 531,876.59
  5. Step 5: Solve for x
    x = 531,876.59/1,063.70
  6. Step 6: Final answer
    x = 500.03

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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.