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Finding the Fourth Proportional to 288,573.44, 398,277.81 and 181,158.93

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Solution

The fourth proportional to 288,573.44, 398,277.81 and 181,158.93 is: 250,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,573.44 : 398,277.81 = 181,158.93 : x
  2. Step 2: Convert to fraction form
    288,573.44/398,277.81 = 181,158.93/x
  3. Step 3: Cross multiply
    288,573.44x = 398,277.81 × 181,158.93
  4. Step 4: Simplify right side
    288,573.44x = 72,151,581,902.34
  5. Step 5: Solve for x
    x = 72,151,581,902.34/288,573.44
  6. Step 6: Final answer
    x = 250,028.50

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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.