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Finding the Fourth Proportional to 354,042.64, 488,572.68 and 192,898.84

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Solution

The fourth proportional to 354,042.64, 488,572.68 and 192,898.84 is: 266,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,042.64 : 488,572.68 = 192,898.84 : x
  2. Step 2: Convert to fraction form
    354,042.64/488,572.68 = 192,898.84/x
  3. Step 3: Cross multiply
    354,042.64x = 488,572.68 × 192,898.84
  4. Step 4: Simplify right side
    354,042.64x = 94,245,103,227.69
  5. Step 5: Solve for x
    x = 94,245,103,227.69/354,042.64
  6. Step 6: Final answer
    x = 266,197.04

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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.