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Finding the Fourth Proportional to 351,402.55, 484,737.56 and 222,300.97

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Solution

The fourth proportional to 351,402.55, 484,737.56 and 222,300.97 is: 306,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,402.55 : 484,737.56 = 222,300.97 : x
  2. Step 2: Convert to fraction form
    351,402.55/484,737.56 = 222,300.97/x
  3. Step 3: Cross multiply
    351,402.55x = 484,737.56 × 222,300.97
  4. Step 4: Simplify right side
    351,402.55x = 107,757,628,671.93
  5. Step 5: Solve for x
    x = 107,757,628,671.93/351,402.55
  6. Step 6: Final answer
    x = 306,650.10

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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.