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Finding the Fourth Proportional to 354,032.83, 488,562.60 and 192,887.38

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Solution

The fourth proportional to 354,032.83, 488,562.60 and 192,887.38 is: 266,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,032.83 : 488,562.60 = 192,887.38 : x
  2. Step 2: Convert to fraction form
    354,032.83/488,562.60 = 192,887.38/x
  3. Step 3: Cross multiply
    354,032.83x = 488,562.60 × 192,887.38
  4. Step 4: Simplify right side
    354,032.83x = 94,237,559,879.99
  5. Step 5: Solve for x
    x = 94,237,559,879.99/354,032.83
  6. Step 6: Final answer
    x = 266,183.11

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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.