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Finding the Fourth Proportional to 352,001.70, 527,808.15 and 141,401.70

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Solution

The fourth proportional to 352,001.70, 527,808.15 and 141,401.70 is: 212,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.70 : 527,808.15 = 141,401.70 : x
  2. Step 2: Convert to fraction form
    352,001.70/527,808.15 = 141,401.70/x
  3. Step 3: Cross multiply
    352,001.70x = 527,808.15 × 141,401.70
  4. Step 4: Simplify right side
    352,001.70x = 74,632,969,683.86
  5. Step 5: Solve for x
    x = 74,632,969,683.86/352,001.70
  6. Step 6: Final answer
    x = 212,024.46

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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.