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Finding the Fourth Proportional to 519,772.52, 779,969.78 and 224,284.52

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Solution

The fourth proportional to 519,772.52, 779,969.78 and 224,284.52 is: 336,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,772.52 : 779,969.78 = 224,284.52 : x
  2. Step 2: Convert to fraction form
    519,772.52/779,969.78 = 224,284.52/x
  3. Step 3: Cross multiply
    519,772.52x = 779,969.78 × 224,284.52
  4. Step 4: Simplify right side
    519,772.52x = 174,935,147,721.81
  5. Step 5: Solve for x
    x = 174,935,147,721.81/519,772.52
  6. Step 6: Final answer
    x = 336,560.98

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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.