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Finding the Fourth Proportional to 452,869.94, 679,610.39 and 186,624.56

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Solution

The fourth proportional to 452,869.94, 679,610.39 and 186,624.56 is: 280,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,869.94 : 679,610.39 = 186,624.56 : x
  2. Step 2: Convert to fraction form
    452,869.94/679,610.39 = 186,624.56/x
  3. Step 3: Cross multiply
    452,869.94x = 679,610.39 × 186,624.56
  4. Step 4: Simplify right side
    452,869.94x = 126,831,985,674.00
  5. Step 5: Solve for x
    x = 126,831,985,674.00/452,869.94
  6. Step 6: Final answer
    x = 280,062.72

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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.