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Finding the Fourth Proportional to 451,233.59, 622,623.44 and 257,552.87

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Solution

The fourth proportional to 451,233.59, 622,623.44 and 257,552.87 is: 355,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,233.59 : 622,623.44 = 257,552.87 : x
  2. Step 2: Convert to fraction form
    451,233.59/622,623.44 = 257,552.87/x
  3. Step 3: Cross multiply
    451,233.59x = 622,623.44 × 257,552.87
  4. Step 4: Simplify right side
    451,233.59x = 160,358,449,500.39
  5. Step 5: Solve for x
    x = 160,358,449,500.39/451,233.59
  6. Step 6: Final answer
    x = 355,377.91

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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.