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Finding the Fourth Proportional to 376,087.65, 563,601.02 and 207,683.79

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Solution

The fourth proportional to 376,087.65, 563,601.02 and 207,683.79 is: 311,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,087.65 : 563,601.02 = 207,683.79 : x
  2. Step 2: Convert to fraction form
    376,087.65/563,601.02 = 207,683.79/x
  3. Step 3: Cross multiply
    376,087.65x = 563,601.02 × 207,683.79
  4. Step 4: Simplify right side
    376,087.65x = 117,050,795,881.47
  5. Step 5: Solve for x
    x = 117,050,795,881.47/376,087.65
  6. Step 6: Final answer
    x = 311,232.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.