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Finding the Fourth Proportional to 347,006.70, 520,024.05 and 276,050.70

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Solution

The fourth proportional to 347,006.70, 520,024.05 and 276,050.70 is: 413,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,006.70 : 520,024.05 = 276,050.70 : x
  2. Step 2: Convert to fraction form
    347,006.70/520,024.05 = 276,050.70/x
  3. Step 3: Cross multiply
    347,006.70x = 520,024.05 × 276,050.70
  4. Step 4: Simplify right side
    347,006.70x = 143,553,003,019.34
  5. Step 5: Solve for x
    x = 143,553,003,019.34/347,006.70
  6. Step 6: Final answer
    x = 413,689.43

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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.