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Finding the Fourth Proportional to 522,576.48, 721,163.22 and 293,184.48

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Solution

The fourth proportional to 522,576.48, 721,163.22 and 293,184.48 is: 404,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,576.48 : 721,163.22 = 293,184.48 : x
  2. Step 2: Convert to fraction form
    522,576.48/721,163.22 = 293,184.48/x
  3. Step 3: Cross multiply
    522,576.48x = 721,163.22 × 293,184.48
  4. Step 4: Simplify right side
    522,576.48x = 211,433,863,650.83
  5. Step 5: Solve for x
    x = 211,433,863,650.83/522,576.48
  6. Step 6: Final answer
    x = 404,598.89

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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.