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Finding the Fourth Proportional to 844,658.72, 1,267,398.48 and 371,282.84

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Solution

The fourth proportional to 844,658.72, 1,267,398.48 and 371,282.84 is: 557,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,658.72 : 1,267,398.48 = 371,282.84 : x
  2. Step 2: Convert to fraction form
    844,658.72/1,267,398.48 = 371,282.84/x
  3. Step 3: Cross multiply
    844,658.72x = 1,267,398.48 × 371,282.84
  4. Step 4: Simplify right side
    844,658.72x = 470,563,307,066.08
  5. Step 5: Solve for x
    x = 470,563,307,066.08/844,658.72
  6. Step 6: Final answer
    x = 557,104.66

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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.