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Finding the Fourth Proportional to 413,840.41, 621,194.97 and 366,756.73

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Solution

The fourth proportional to 413,840.41, 621,194.97 and 366,756.73 is: 550,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,840.41 : 621,194.97 = 366,756.73 : x
  2. Step 2: Convert to fraction form
    413,840.41/621,194.97 = 366,756.73/x
  3. Step 3: Cross multiply
    413,840.41x = 621,194.97 × 366,756.73
  4. Step 4: Simplify right side
    413,840.41x = 227,827,435,712.00
  5. Step 5: Solve for x
    x = 227,827,435,712.00/413,840.41
  6. Step 6: Final answer
    x = 550,520.04

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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.