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Finding the Fourth Proportional to 354,558.57, 531,842.46 and 117,901.23

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Solution

The fourth proportional to 354,558.57, 531,842.46 and 117,901.23 is: 176,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,558.57 : 531,842.46 = 117,901.23 : x
  2. Step 2: Convert to fraction form
    354,558.57/531,842.46 = 117,901.23/x
  3. Step 3: Cross multiply
    354,558.57x = 531,842.46 × 117,901.23
  4. Step 4: Simplify right side
    354,558.57x = 62,704,880,200.23
  5. Step 5: Solve for x
    x = 62,704,880,200.23/354,558.57
  6. Step 6: Final answer
    x = 176,853.38

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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.