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Finding the Fourth Proportional to 452,342.40, 678,081.60 and 167,956.80

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Solution

The fourth proportional to 452,342.40, 678,081.60 and 167,956.80 is: 251,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,342.40 : 678,081.60 = 167,956.80 : x
  2. Step 2: Convert to fraction form
    452,342.40/678,081.60 = 167,956.80/x
  3. Step 3: Cross multiply
    452,342.40x = 678,081.60 × 167,956.80
  4. Step 4: Simplify right side
    452,342.40x = 113,888,415,674.88
  5. Step 5: Solve for x
    x = 113,888,415,674.88/452,342.40
  6. Step 6: Final answer
    x = 251,774.80

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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.