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Finding the Fourth Proportional to 584,989.75, 877,373.65 and 285,168.79

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Solution

The fourth proportional to 584,989.75, 877,373.65 and 285,168.79 is: 427,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,989.75 : 877,373.65 = 285,168.79 : x
  2. Step 2: Convert to fraction form
    584,989.75/877,373.65 = 285,168.79/x
  3. Step 3: Cross multiply
    584,989.75x = 877,373.65 × 285,168.79
  4. Step 4: Simplify right side
    584,989.75x = 250,199,582,148.38
  5. Step 5: Solve for x
    x = 250,199,582,148.38/584,989.75
  6. Step 6: Final answer
    x = 427,699.09

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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.