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Finding the Fourth Proportional to 356,574.08, 534,861.11 and 185,760.43

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Solution

The fourth proportional to 356,574.08, 534,861.11 and 185,760.43 is: 278,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,574.08 : 534,861.11 = 185,760.43 : x
  2. Step 2: Convert to fraction form
    356,574.08/534,861.11 = 185,760.43/x
  3. Step 3: Cross multiply
    356,574.08x = 534,861.11 × 185,760.43
  4. Step 4: Simplify right side
    356,574.08x = 99,356,028,761.65
  5. Step 5: Solve for x
    x = 99,356,028,761.65/356,574.08
  6. Step 6: Final answer
    x = 278,640.64

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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.