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Finding the Fourth Proportional to 352,816.59, 530,274.65 and 165,959.31

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Solution

The fourth proportional to 352,816.59, 530,274.65 and 165,959.31 is: 249,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,816.59 : 530,274.65 = 165,959.31 : x
  2. Step 2: Convert to fraction form
    352,816.59/530,274.65 = 165,959.31/x
  3. Step 3: Cross multiply
    352,816.59x = 530,274.65 × 165,959.31
  4. Step 4: Simplify right side
    352,816.59x = 88,004,014,194.70
  5. Step 5: Solve for x
    x = 88,004,014,194.70/352,816.59
  6. Step 6: Final answer
    x = 249,432.76

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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.