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Finding the Fourth Proportional to 504,562.68, 756,794.88 and 205,061.22

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Solution

The fourth proportional to 504,562.68, 756,794.88 and 205,061.22 is: 307,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,562.68 : 756,794.88 = 205,061.22 : x
  2. Step 2: Convert to fraction form
    504,562.68/756,794.88 = 205,061.22/x
  3. Step 3: Cross multiply
    504,562.68x = 756,794.88 × 205,061.22
  4. Step 4: Simplify right side
    504,562.68x = 155,189,281,382.55
  5. Step 5: Solve for x
    x = 155,189,281,382.55/504,562.68
  6. Step 6: Final answer
    x = 307,571.86

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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.