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Finding the Fourth Proportional to 352,051, 485,861.10 and 193,105.72

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Solution

The fourth proportional to 352,051, 485,861.10 and 193,105.72 is: 266,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,051 : 485,861.10 = 193,105.72 : x
  2. Step 2: Convert to fraction form
    352,051/485,861.10 = 193,105.72/x
  3. Step 3: Cross multiply
    352,051x = 485,861.10 × 193,105.72
  4. Step 4: Simplify right side
    352,051x = 93,822,557,535.49
  5. Step 5: Solve for x
    x = 93,822,557,535.49/352,051
  6. Step 6: Final answer
    x = 266,502.74

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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.