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Finding the Fourth Proportional to 354,064.20, 488,602.42 and 192,920.60

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Solution

The fourth proportional to 354,064.20, 488,602.42 and 192,920.60 is: 266,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,064.20 : 488,602.42 = 192,920.60 : x
  2. Step 2: Convert to fraction form
    354,064.20/488,602.42 = 192,920.60/x
  3. Step 3: Cross multiply
    354,064.20x = 488,602.42 × 192,920.60
  4. Step 4: Simplify right side
    354,064.20x = 94,261,472,027.85
  5. Step 5: Solve for x
    x = 94,261,472,027.85/354,064.20
  6. Step 6: Final answer
    x = 266,227.06

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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.