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Finding the Fourth Proportional to 522,779.25, 784,201.67 and 167,785.41

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Solution

The fourth proportional to 522,779.25, 784,201.67 and 167,785.41 is: 251,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,779.25 : 784,201.67 = 167,785.41 : x
  2. Step 2: Convert to fraction form
    522,779.25/784,201.67 = 167,785.41/x
  3. Step 3: Cross multiply
    522,779.25x = 784,201.67 × 167,785.41
  4. Step 4: Simplify right side
    522,779.25x = 131,577,595,545.80
  5. Step 5: Solve for x
    x = 131,577,595,545.80/522,779.25
  6. Step 6: Final answer
    x = 251,688.64

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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.