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Finding the Fourth Proportional to 452,068.40, 677,670.60 and 167,682.80

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Solution

The fourth proportional to 452,068.40, 677,670.60 and 167,682.80 is: 251,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,068.40 : 677,670.60 = 167,682.80 : x
  2. Step 2: Convert to fraction form
    452,068.40/677,670.60 = 167,682.80/x
  3. Step 3: Cross multiply
    452,068.40x = 677,670.60 × 167,682.80
  4. Step 4: Simplify right side
    452,068.40x = 113,633,703,685.68
  5. Step 5: Solve for x
    x = 113,633,703,685.68/452,068.40
  6. Step 6: Final answer
    x = 251,363.96

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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.