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Finding the Fourth Proportional to 322,799.37, 445,466.55 and 177,607.06

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Solution

The fourth proportional to 322,799.37, 445,466.55 and 177,607.06 is: 245,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,799.37 : 445,466.55 = 177,607.06 : x
  2. Step 2: Convert to fraction form
    322,799.37/445,466.55 = 177,607.06/x
  3. Step 3: Cross multiply
    322,799.37x = 445,466.55 × 177,607.06
  4. Step 4: Simplify right side
    322,799.37x = 79,118,003,385.81
  5. Step 5: Solve for x
    x = 79,118,003,385.81/322,799.37
  6. Step 6: Final answer
    x = 245,099.62

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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.