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Finding the Fourth Proportional to 452,647.44, 678,737.88 and 186,358.32

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Solution

The fourth proportional to 452,647.44, 678,737.88 and 186,358.32 is: 279,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,647.44 : 678,737.88 = 186,358.32 : x
  2. Step 2: Convert to fraction form
    452,647.44/678,737.88 = 186,358.32/x
  3. Step 3: Cross multiply
    452,647.44x = 678,737.88 × 186,358.32
  4. Step 4: Simplify right side
    452,647.44x = 126,488,451,037.16
  5. Step 5: Solve for x
    x = 126,488,451,037.16/452,647.44
  6. Step 6: Final answer
    x = 279,441.44

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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.