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Finding the Fourth Proportional to 451,697.90, 677,114.85 and 167,312.30

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Solution

The fourth proportional to 451,697.90, 677,114.85 and 167,312.30 is: 250,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,697.90 : 677,114.85 = 167,312.30 : x
  2. Step 2: Convert to fraction form
    451,697.90/677,114.85 = 167,312.30/x
  3. Step 3: Cross multiply
    451,697.90x = 677,114.85 × 167,312.30
  4. Step 4: Simplify right side
    451,697.90x = 113,289,642,917.66
  5. Step 5: Solve for x
    x = 113,289,642,917.66/451,697.90
  6. Step 6: Final answer
    x = 250,808.43

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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.