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Finding the Fourth Proportional to 403,633.77, 605,106.83 and 178,871.67

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Solution

The fourth proportional to 403,633.77, 605,106.83 and 178,871.67 is: 268,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,633.77 : 605,106.83 = 178,871.67 : x
  2. Step 2: Convert to fraction form
    403,633.77/605,106.83 = 178,871.67/x
  3. Step 3: Cross multiply
    403,633.77x = 605,106.83 × 178,871.67
  4. Step 4: Simplify right side
    403,633.77x = 108,236,468,316.15
  5. Step 5: Solve for x
    x = 108,236,468,316.15/403,633.77
  6. Step 6: Final answer
    x = 268,155.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.