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Finding the Fourth Proportional to 552,725.81, 827,760.09 and 315,348.83

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Solution

The fourth proportional to 552,725.81, 827,760.09 and 315,348.83 is: 472,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,725.81 : 827,760.09 = 315,348.83 : x
  2. Step 2: Convert to fraction form
    552,725.81/827,760.09 = 315,348.83/x
  3. Step 3: Cross multiply
    552,725.81x = 827,760.09 × 315,348.83
  4. Step 4: Simplify right side
    552,725.81x = 261,033,174,325.45
  5. Step 5: Solve for x
    x = 261,033,174,325.45/552,725.81
  6. Step 6: Final answer
    x = 472,265.22

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1.5x scale

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.