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Finding the Fourth Proportional to 354,263.55, 531,498.87 and 114,371.85

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Solution

The fourth proportional to 354,263.55, 531,498.87 and 114,371.85 is: 171,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,263.55 : 531,498.87 = 114,371.85 : x
  2. Step 2: Convert to fraction form
    354,263.55/531,498.87 = 114,371.85/x
  3. Step 3: Cross multiply
    354,263.55x = 531,498.87 × 114,371.85
  4. Step 4: Simplify right side
    354,263.55x = 60,788,509,034.81
  5. Step 5: Solve for x
    x = 60,788,509,034.81/354,263.55
  6. Step 6: Final answer
    x = 171,591.20

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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.