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Finding the Fourth Proportional to 584,988.75, 877,372.16 and 285,167.79

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Solution

The fourth proportional to 584,988.75, 877,372.16 and 285,167.79 is: 427,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,988.75 : 877,372.16 = 285,167.79 : x
  2. Step 2: Convert to fraction form
    584,988.75/877,372.16 = 285,167.79/x
  3. Step 3: Cross multiply
    584,988.75x = 877,372.16 × 285,167.79
  4. Step 4: Simplify right side
    584,988.75x = 250,198,278,448.89
  5. Step 5: Solve for x
    x = 250,198,278,448.89/584,988.75
  6. Step 6: Final answer
    x = 427,697.59

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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.