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Finding the Fourth Proportional to 452,154.40, 678,309.36 and 186,059.68

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Solution

The fourth proportional to 452,154.40, 678,309.36 and 186,059.68 is: 279,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,154.40 : 678,309.36 = 186,059.68 : x
  2. Step 2: Convert to fraction form
    452,154.40/678,309.36 = 186,059.68/x
  3. Step 3: Cross multiply
    452,154.40x = 678,309.36 × 186,059.68
  4. Step 4: Simplify right side
    452,154.40x = 126,206,022,462.61
  5. Step 5: Solve for x
    x = 126,206,022,462.61/452,154.40
  6. Step 6: Final answer
    x = 279,121.52

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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.