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Finding the Fourth Proportional to 477,586.41, 659,009.21 and 322,874.13

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Solution

The fourth proportional to 477,586.41, 659,009.21 and 322,874.13 is: 445,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,586.41 : 659,009.21 = 322,874.13 : x
  2. Step 2: Convert to fraction form
    477,586.41/659,009.21 = 322,874.13/x
  3. Step 3: Cross multiply
    477,586.41x = 659,009.21 × 322,874.13
  4. Step 4: Simplify right side
    477,586.41x = 212,777,023,726.37
  5. Step 5: Solve for x
    x = 212,777,023,726.37/477,586.41
  6. Step 6: Final answer
    x = 445,525.71

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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.