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Finding the Fourth Proportional to 586.55, 879.85 and 500.48

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Solution

The fourth proportional to 586.55, 879.85 and 500.48 is: 750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.55 : 879.85 = 500.48 : x
  2. Step 2: Convert to fraction form
    586.55/879.85 = 500.48/x
  3. Step 3: Cross multiply
    586.55x = 879.85 × 500.48
  4. Step 4: Simplify right side
    586.55x = 440,350.15
  5. Step 5: Solve for x
    x = 440,350.15/586.55
  6. Step 6: Final answer
    x = 750.75

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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.