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Finding the Fourth Proportional to 532,122.90, 796,872.15 and 353,663.70

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Solution

The fourth proportional to 532,122.90, 796,872.15 and 353,663.70 is: 529,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,122.90 : 796,872.15 = 353,663.70 : x
  2. Step 2: Convert to fraction form
    532,122.90/796,872.15 = 353,663.70/x
  3. Step 3: Cross multiply
    532,122.90x = 796,872.15 × 353,663.70
  4. Step 4: Simplify right side
    532,122.90x = 281,824,752,995.96
  5. Step 5: Solve for x
    x = 281,824,752,995.96/532,122.90
  6. Step 6: Final answer
    x = 529,623.43

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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.