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Finding the Fourth Proportional to 259,512.48, 358,072.92 and 157,591.80

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Solution

The fourth proportional to 259,512.48, 358,072.92 and 157,591.80 is: 217,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,512.48 : 358,072.92 = 157,591.80 : x
  2. Step 2: Convert to fraction form
    259,512.48/358,072.92 = 157,591.80/x
  3. Step 3: Cross multiply
    259,512.48x = 358,072.92 × 157,591.80
  4. Step 4: Simplify right side
    259,512.48x = 56,429,355,994.06
  5. Step 5: Solve for x
    x = 56,429,355,994.06/259,512.48
  6. Step 6: Final answer
    x = 217,443.71

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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.