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Finding the Fourth Proportional to 1,023.68, 1,535.64 and 590.96

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Solution

The fourth proportional to 1,023.68, 1,535.64 and 590.96 is: 886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.68 : 1,535.64 = 590.96 : x
  2. Step 2: Convert to fraction form
    1,023.68/1,535.64 = 590.96/x
  3. Step 3: Cross multiply
    1,023.68x = 1,535.64 × 590.96
  4. Step 4: Simplify right side
    1,023.68x = 907,501.81
  5. Step 5: Solve for x
    x = 907,501.81/1,023.68
  6. Step 6: Final answer
    x = 886.51

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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.