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Finding the Fourth Proportional to 576,331.35, 864,420.46 and 171,516.30

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Solution

The fourth proportional to 576,331.35, 864,420.46 and 171,516.30 is: 257,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,331.35 : 864,420.46 = 171,516.30 : x
  2. Step 2: Convert to fraction form
    576,331.35/864,420.46 = 171,516.30/x
  3. Step 3: Cross multiply
    576,331.35x = 864,420.46 × 171,516.30
  4. Step 4: Simplify right side
    576,331.35x = 148,262,198,943.50
  5. Step 5: Solve for x
    x = 148,262,198,943.50/576,331.35
  6. Step 6: Final answer
    x = 257,251.66

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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.