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Finding the Fourth Proportional to 349,665.22, 482,614.42 and 222,315.94

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Solution

The fourth proportional to 349,665.22, 482,614.42 and 222,315.94 is: 306,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,665.22 : 482,614.42 = 222,315.94 : x
  2. Step 2: Convert to fraction form
    349,665.22/482,614.42 = 222,315.94/x
  3. Step 3: Cross multiply
    349,665.22x = 482,614.42 × 222,315.94
  4. Step 4: Simplify right side
    349,665.22x = 107,292,878,439.86
  5. Step 5: Solve for x
    x = 107,292,878,439.86/349,665.22
  6. Step 6: Final answer
    x = 306,844.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.