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Finding the Fourth Proportional to 1,063.48, 1,595.37 and 333.13

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Solution

The fourth proportional to 1,063.48, 1,595.37 and 333.13 is: 499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.48 : 1,595.37 = 333.13 : x
  2. Step 2: Convert to fraction form
    1,063.48/1,595.37 = 333.13/x
  3. Step 3: Cross multiply
    1,063.48x = 1,595.37 × 333.13
  4. Step 4: Simplify right side
    1,063.48x = 531,465.61
  5. Step 5: Solve for x
    x = 531,465.61/1,063.48
  6. Step 6: Final answer
    x = 499.74

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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.