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Finding the Fourth Proportional to 376,790.54, 519,614.65 and 247,500.87

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Solution

The fourth proportional to 376,790.54, 519,614.65 and 247,500.87 is: 341,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,790.54 : 519,614.65 = 247,500.87 : x
  2. Step 2: Convert to fraction form
    376,790.54/519,614.65 = 247,500.87/x
  3. Step 3: Cross multiply
    376,790.54x = 519,614.65 × 247,500.87
  4. Step 4: Simplify right side
    376,790.54x = 128,605,074,908.37
  5. Step 5: Solve for x
    x = 128,605,074,908.37/376,790.54
  6. Step 6: Final answer
    x = 341,317.16

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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.