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Finding the Fourth Proportional to 541,963.28, 809,648.30 and 350,866.82

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Solution

The fourth proportional to 541,963.28, 809,648.30 and 350,866.82 is: 524,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,963.28 : 809,648.30 = 350,866.82 : x
  2. Step 2: Convert to fraction form
    541,963.28/809,648.30 = 350,866.82/x
  3. Step 3: Cross multiply
    541,963.28x = 809,648.30 × 350,866.82
  4. Step 4: Simplify right side
    541,963.28x = 284,078,724,339.41
  5. Step 5: Solve for x
    x = 284,078,724,339.41/541,963.28
  6. Step 6: Final answer
    x = 524,166.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.