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Finding the Fourth Proportional to 452,558.64, 678,251.88 and 186,017.52

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Solution

The fourth proportional to 452,558.64, 678,251.88 and 186,017.52 is: 278,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,558.64 : 678,251.88 = 186,017.52 : x
  2. Step 2: Convert to fraction form
    452,558.64/678,251.88 = 186,017.52/x
  3. Step 3: Cross multiply
    452,558.64x = 678,251.88 × 186,017.52
  4. Step 4: Simplify right side
    452,558.64x = 126,166,732,652.94
  5. Step 5: Solve for x
    x = 126,166,732,652.94/452,558.64
  6. Step 6: Final answer
    x = 278,785.38

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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.