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Finding the Fourth Proportional to 1,063.12, 1,594.16 and 332.76

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Solution

The fourth proportional to 1,063.12, 1,594.16 and 332.76 is: 498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.12 : 1,594.16 = 332.76 : x
  2. Step 2: Convert to fraction form
    1,063.12/1,594.16 = 332.76/x
  3. Step 3: Cross multiply
    1,063.12x = 1,594.16 × 332.76
  4. Step 4: Simplify right side
    1,063.12x = 530,472.68
  5. Step 5: Solve for x
    x = 530,472.68/1,063.12
  6. Step 6: Final answer
    x = 498.98

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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.