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Finding the Fourth Proportional to 338,069.70, 506,367.63 and 169,295.67

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Solution

The fourth proportional to 338,069.70, 506,367.63 and 169,295.67 is: 253,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,069.70 : 506,367.63 = 169,295.67 : x
  2. Step 2: Convert to fraction form
    338,069.70/506,367.63 = 169,295.67/x
  3. Step 3: Cross multiply
    338,069.70x = 506,367.63 × 169,295.67
  4. Step 4: Simplify right side
    338,069.70x = 85,725,847,187.16
  5. Step 5: Solve for x
    x = 85,725,847,187.16/338,069.70
  6. Step 6: Final answer
    x = 253,574.48

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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.