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Finding the Fourth Proportional to 551,499.84, 760,951.68 and 321,952.95

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Solution

The fourth proportional to 551,499.84, 760,951.68 and 321,952.95 is: 444,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,499.84 : 760,951.68 = 321,952.95 : x
  2. Step 2: Convert to fraction form
    551,499.84/760,951.68 = 321,952.95/x
  3. Step 3: Cross multiply
    551,499.84x = 760,951.68 × 321,952.95
  4. Step 4: Simplify right side
    551,499.84x = 244,990,638,183.46
  5. Step 5: Solve for x
    x = 244,990,638,183.46/551,499.84
  6. Step 6: Final answer
    x = 444,226.13

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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.