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Finding the Fourth Proportional to 583.32, 875.38 and 556.32

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Solution

The fourth proportional to 583.32, 875.38 and 556.32 is: 834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.32 : 875.38 = 556.32 : x
  2. Step 2: Convert to fraction form
    583.32/875.38 = 556.32/x
  3. Step 3: Cross multiply
    583.32x = 875.38 × 556.32
  4. Step 4: Simplify right side
    583.32x = 486,991.40
  5. Step 5: Solve for x
    x = 486,991.40/583.32
  6. Step 6: Final answer
    x = 834.86

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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.