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Finding the Fourth Proportional to 354,008.48, 488,530.24 and 192,863.03

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Solution

The fourth proportional to 354,008.48, 488,530.24 and 192,863.03 is: 266,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,008.48 : 488,530.24 = 192,863.03 : x
  2. Step 2: Convert to fraction form
    354,008.48/488,530.24 = 192,863.03/x
  3. Step 3: Cross multiply
    354,008.48x = 488,530.24 × 192,863.03
  4. Step 4: Simplify right side
    354,008.48x = 94,219,419,408.22
  5. Step 5: Solve for x
    x = 94,219,419,408.22/354,008.48
  6. Step 6: Final answer
    x = 266,150.18

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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.