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Finding the Fourth Proportional to 322,656.01, 445,247.00 and 179,412.98

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Solution

The fourth proportional to 322,656.01, 445,247.00 and 179,412.98 is: 247,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,656.01 : 445,247.00 = 179,412.98 : x
  2. Step 2: Convert to fraction form
    322,656.01/445,247.00 = 179,412.98/x
  3. Step 3: Cross multiply
    322,656.01x = 445,247.00 × 179,412.98
  4. Step 4: Simplify right side
    322,656.01x = 79,883,089,160.16
  5. Step 5: Solve for x
    x = 79,883,089,160.16/322,656.01
  6. Step 6: Final answer
    x = 247,579.74

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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.