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Finding the Fourth Proportional to 322,607.44, 445,172.94 and 179,358.76

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Solution

The fourth proportional to 322,607.44, 445,172.94 and 179,358.76 is: 247,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,607.44 : 445,172.94 = 179,358.76 : x
  2. Step 2: Convert to fraction form
    322,607.44/445,172.94 = 179,358.76/x
  3. Step 3: Cross multiply
    322,607.44x = 445,172.94 × 179,358.76
  4. Step 4: Simplify right side
    322,607.44x = 79,845,666,503.95
  5. Step 5: Solve for x
    x = 79,845,666,503.95/322,607.44
  6. Step 6: Final answer
    x = 247,501.01

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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.