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Finding the Fourth Proportional to 376,811.04, 520,024.08 and 207,046.56

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Solution

The fourth proportional to 376,811.04, 520,024.08 and 207,046.56 is: 285,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,811.04 : 520,024.08 = 207,046.56 : x
  2. Step 2: Convert to fraction form
    376,811.04/520,024.08 = 207,046.56/x
  3. Step 3: Cross multiply
    376,811.04x = 520,024.08 × 207,046.56
  4. Step 4: Simplify right side
    376,811.04x = 107,669,196,881.17
  5. Step 5: Solve for x
    x = 107,669,196,881.17/376,811.04
  6. Step 6: Final answer
    x = 285,737.90

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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.