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Finding the Fourth Proportional to 376,917.02, 520,123.62 and 207,151.14

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Solution

The fourth proportional to 376,917.02, 520,123.62 and 207,151.14 is: 285,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,917.02 : 520,123.62 = 207,151.14 : x
  2. Step 2: Convert to fraction form
    376,917.02/520,123.62 = 207,151.14/x
  3. Step 3: Cross multiply
    376,917.02x = 520,123.62 × 207,151.14
  4. Step 4: Simplify right side
    376,917.02x = 107,744,200,823.93
  5. Step 5: Solve for x
    x = 107,744,200,823.93/376,917.02
  6. Step 6: Final answer
    x = 285,856.55

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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.