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Finding the Fourth Proportional to 451,700.40, 677,118.60 and 167,314.80

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Solution

The fourth proportional to 451,700.40, 677,118.60 and 167,314.80 is: 250,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,700.40 : 677,118.60 = 167,314.80 : x
  2. Step 2: Convert to fraction form
    451,700.40/677,118.60 = 167,314.80/x
  3. Step 3: Cross multiply
    451,700.40x = 677,118.60 × 167,314.80
  4. Step 4: Simplify right side
    451,700.40x = 113,291,963,135.28
  5. Step 5: Solve for x
    x = 113,291,963,135.28/451,700.40
  6. Step 6: Final answer
    x = 250,812.18

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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.