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Finding the Fourth Proportional to 499,773.65, 689,776.43 and 295,937.73

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Solution

The fourth proportional to 499,773.65, 689,776.43 and 295,937.73 is: 408,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,773.65 : 689,776.43 = 295,937.73 : x
  2. Step 2: Convert to fraction form
    499,773.65/689,776.43 = 295,937.73/x
  3. Step 3: Cross multiply
    499,773.65x = 689,776.43 × 295,937.73
  4. Step 4: Simplify right side
    499,773.65x = 204,130,869,422.02
  5. Step 5: Solve for x
    x = 204,130,869,422.02/499,773.65
  6. Step 6: Final answer
    x = 408,446.65

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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.