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Finding the Fourth Proportional to 587,019.54, 811,717.62 and 465,950.62

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Solution

The fourth proportional to 587,019.54, 811,717.62 and 465,950.62 is: 644,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,019.54 : 811,717.62 = 465,950.62 : x
  2. Step 2: Convert to fraction form
    587,019.54/811,717.62 = 465,950.62/x
  3. Step 3: Cross multiply
    587,019.54x = 811,717.62 × 465,950.62
  4. Step 4: Simplify right side
    587,019.54x = 378,220,328,303.92
  5. Step 5: Solve for x
    x = 378,220,328,303.92/587,019.54
  6. Step 6: Final answer
    x = 644,306.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.