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Finding the Fourth Proportional to 551,379.73, 760,814.68 and 344,623.74

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Solution

The fourth proportional to 551,379.73, 760,814.68 and 344,623.74 is: 475,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,379.73 : 760,814.68 = 344,623.74 : x
  2. Step 2: Convert to fraction form
    551,379.73/760,814.68 = 344,623.74/x
  3. Step 3: Cross multiply
    551,379.73x = 760,814.68 × 344,623.74
  4. Step 4: Simplify right side
    551,379.73x = 262,194,800,468.50
  5. Step 5: Solve for x
    x = 262,194,800,468.50/551,379.73
  6. Step 6: Final answer
    x = 475,524.92

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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.