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Finding the Fourth Proportional to 1,035.64, 1,553.00 and 332.68

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Solution

The fourth proportional to 1,035.64, 1,553.00 and 332.68 is: 498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.64 : 1,553.00 = 332.68 : x
  2. Step 2: Convert to fraction form
    1,035.64/1,553.00 = 332.68/x
  3. Step 3: Cross multiply
    1,035.64x = 1,553.00 × 332.68
  4. Step 4: Simplify right side
    1,035.64x = 516,648.99
  5. Step 5: Solve for x
    x = 516,648.99/1,035.64
  6. Step 6: Final answer
    x = 498.87

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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.