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Finding the Fourth Proportional to 349,553.88, 523,998.63 and 222,838.43

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Solution

The fourth proportional to 349,553.88, 523,998.63 and 222,838.43 is: 334,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,553.88 : 523,998.63 = 222,838.43 : x
  2. Step 2: Convert to fraction form
    349,553.88/523,998.63 = 222,838.43/x
  3. Step 3: Cross multiply
    349,553.88x = 523,998.63 × 222,838.43
  4. Step 4: Simplify right side
    349,553.88x = 116,767,029,411.36
  5. Step 5: Solve for x
    x = 116,767,029,411.36/349,553.88
  6. Step 6: Final answer
    x = 334,045.87

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1.5x scale

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.