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Finding the Fourth Proportional to 671,319.41, 925,776.83 and 451,054.81

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Solution

The fourth proportional to 671,319.41, 925,776.83 and 451,054.81 is: 622,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,319.41 : 925,776.83 = 451,054.81 : x
  2. Step 2: Convert to fraction form
    671,319.41/925,776.83 = 451,054.81/x
  3. Step 3: Cross multiply
    671,319.41x = 925,776.83 × 451,054.81
  4. Step 4: Simplify right side
    671,319.41x = 417,576,098,042.95
  5. Step 5: Solve for x
    x = 417,576,098,042.95/671,319.41
  6. Step 6: Final answer
    x = 622,022.98

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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.