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Finding the Fourth Proportional to 376,970.45, 520,340.46 and 241,369.61

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Solution

The fourth proportional to 376,970.45, 520,340.46 and 241,369.61 is: 333,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,970.45 : 520,340.46 = 241,369.61 : x
  2. Step 2: Convert to fraction form
    376,970.45/520,340.46 = 241,369.61/x
  3. Step 3: Cross multiply
    376,970.45x = 520,340.46 × 241,369.61
  4. Step 4: Simplify right side
    376,970.45x = 125,594,373,897.42
  5. Step 5: Solve for x
    x = 125,594,373,897.42/376,970.45
  6. Step 6: Final answer
    x = 333,167.69

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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.