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Finding the Fourth Proportional to 452,481.54, 678,723.52 and 152,881.98

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Solution

The fourth proportional to 452,481.54, 678,723.52 and 152,881.98 is: 229,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,481.54 : 678,723.52 = 152,881.98 : x
  2. Step 2: Convert to fraction form
    452,481.54/678,723.52 = 152,881.98/x
  3. Step 3: Cross multiply
    452,481.54x = 678,723.52 × 152,881.98
  4. Step 4: Simplify right side
    452,481.54x = 103,764,595,610.17
  5. Step 5: Solve for x
    x = 103,764,595,610.17/452,481.54
  6. Step 6: Final answer
    x = 229,323.38

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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.