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Finding the Fourth Proportional to 522,775.46, 784,265.30 and 167,762.18

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Solution

The fourth proportional to 522,775.46, 784,265.30 and 167,762.18 is: 251,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,775.46 : 784,265.30 = 167,762.18 : x
  2. Step 2: Convert to fraction form
    522,775.46/784,265.30 = 167,762.18/x
  3. Step 3: Cross multiply
    522,775.46x = 784,265.30 × 167,762.18
  4. Step 4: Simplify right side
    522,775.46x = 131,570,056,426.35
  5. Step 5: Solve for x
    x = 131,570,056,426.35/522,775.46
  6. Step 6: Final answer
    x = 251,676.04

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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.