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Finding the Fourth Proportional to 352,002.70, 527,809.65 and 141,402.70

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Solution

The fourth proportional to 352,002.70, 527,809.65 and 141,402.70 is: 212,025.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,002.70 : 527,809.65 = 141,402.70 : x
  2. Step 2: Convert to fraction form
    352,002.70/527,809.65 = 141,402.70/x
  3. Step 3: Cross multiply
    352,002.70x = 527,809.65 × 141,402.70
  4. Step 4: Simplify right side
    352,002.70x = 74,633,709,596.06
  5. Step 5: Solve for x
    x = 74,633,709,596.06/352,002.70
  6. Step 6: Final answer
    x = 212,025.96

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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.