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Finding the Fourth Proportional to 584,990.75, 877,375.15 and 285,169.79

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Solution

The fourth proportional to 584,990.75, 877,375.15 and 285,169.79 is: 427,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,990.75 : 877,375.15 = 285,169.79 : x
  2. Step 2: Convert to fraction form
    584,990.75/877,375.15 = 285,169.79/x
  3. Step 3: Cross multiply
    584,990.75x = 877,375.15 × 285,169.79
  4. Step 4: Simplify right side
    584,990.75x = 250,200,887,276.72
  5. Step 5: Solve for x
    x = 250,200,887,276.72/584,990.75
  6. Step 6: Final answer
    x = 427,700.59

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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.