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Finding the Fourth Proportional to 591.10, 881.48 and 558.75

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Solution

The fourth proportional to 591.10, 881.48 and 558.75 is: 833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.10 : 881.48 = 558.75 : x
  2. Step 2: Convert to fraction form
    591.10/881.48 = 558.75/x
  3. Step 3: Cross multiply
    591.10x = 881.48 × 558.75
  4. Step 4: Simplify right side
    591.10x = 492,526.69
  5. Step 5: Solve for x
    x = 492,526.69/591.10
  6. Step 6: Final answer
    x = 833.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.