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Finding the Fourth Proportional to 432,670.85, 649,006.28 and 246,046.85

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Solution

The fourth proportional to 432,670.85, 649,006.28 and 246,046.85 is: 369,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,670.85 : 649,006.28 = 246,046.85 : x
  2. Step 2: Convert to fraction form
    432,670.85/649,006.28 = 246,046.85/x
  3. Step 3: Cross multiply
    432,670.85x = 649,006.28 × 246,046.85
  4. Step 4: Simplify right side
    432,670.85x = 159,685,949,593.98
  5. Step 5: Solve for x
    x = 159,685,949,593.98/432,670.85
  6. Step 6: Final answer
    x = 369,070.28

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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.