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Finding the Fourth Proportional to 519,524.37, 778,597.65 and 266,794.65

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Solution

The fourth proportional to 519,524.37, 778,597.65 and 266,794.65 is: 399,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,524.37 : 778,597.65 = 266,794.65 : x
  2. Step 2: Convert to fraction form
    519,524.37/778,597.65 = 266,794.65/x
  3. Step 3: Cross multiply
    519,524.37x = 778,597.65 × 266,794.65
  4. Step 4: Simplify right side
    519,524.37x = 207,725,687,522.57
  5. Step 5: Solve for x
    x = 207,725,687,522.57/519,524.37
  6. Step 6: Final answer
    x = 399,838.20

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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.