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Finding the Fourth Proportional to 355,961.67, 534,022.50 and 119,298.30

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Solution

The fourth proportional to 355,961.67, 534,022.50 and 119,298.30 is: 178,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961.67 : 534,022.50 = 119,298.30 : x
  2. Step 2: Convert to fraction form
    355,961.67/534,022.50 = 119,298.30/x
  3. Step 3: Cross multiply
    355,961.67x = 534,022.50 × 119,298.30
  4. Step 4: Simplify right side
    355,961.67x = 63,707,976,411.75
  5. Step 5: Solve for x
    x = 63,707,976,411.75/355,961.67
  6. Step 6: Final answer
    x = 178,974.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.