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Finding the Fourth Proportional to 354,063.92, 488,608.28 and 192,918.97

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Solution

The fourth proportional to 354,063.92, 488,608.28 and 192,918.97 is: 266,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,063.92 : 488,608.28 = 192,918.97 : x
  2. Step 2: Convert to fraction form
    354,063.92/488,608.28 = 192,918.97/x
  3. Step 3: Cross multiply
    354,063.92x = 488,608.28 × 192,918.97
  4. Step 4: Simplify right side
    354,063.92x = 94,261,803,668.03
  5. Step 5: Solve for x
    x = 94,261,803,668.03/354,063.92
  6. Step 6: Final answer
    x = 266,228.21

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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.