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Finding the Fourth Proportional to 468,846.01, 647,006.82 and 253,986.94

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Solution

The fourth proportional to 468,846.01, 647,006.82 and 253,986.94 is: 350,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,846.01 : 647,006.82 = 253,986.94 : x
  2. Step 2: Convert to fraction form
    468,846.01/647,006.82 = 253,986.94/x
  3. Step 3: Cross multiply
    468,846.01x = 647,006.82 × 253,986.94
  4. Step 4: Simplify right side
    468,846.01x = 164,331,282,370.93
  5. Step 5: Solve for x
    x = 164,331,282,370.93/468,846.01
  6. Step 6: Final answer
    x = 350,501.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.