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Finding the Fourth Proportional to 701,142.72, 967,576.68 and 378,852.72

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Solution

The fourth proportional to 701,142.72, 967,576.68 and 378,852.72 is: 522,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,142.72 : 967,576.68 = 378,852.72 : x
  2. Step 2: Convert to fraction form
    701,142.72/967,576.68 = 378,852.72/x
  3. Step 3: Cross multiply
    701,142.72x = 967,576.68 × 378,852.72
  4. Step 4: Simplify right side
    701,142.72x = 366,569,057,026.57
  5. Step 5: Solve for x
    x = 366,569,057,026.57/701,142.72
  6. Step 6: Final answer
    x = 522,816.61

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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.