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Finding the Fourth Proportional to 292,882.01, 438,868.61 and 203,099.85

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Solution

The fourth proportional to 292,882.01, 438,868.61 and 203,099.85 is: 304,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,882.01 : 438,868.61 = 203,099.85 : x
  2. Step 2: Convert to fraction form
    292,882.01/438,868.61 = 203,099.85/x
  3. Step 3: Cross multiply
    292,882.01x = 438,868.61 × 203,099.85
  4. Step 4: Simplify right side
    292,882.01x = 89,134,148,352.96
  5. Step 5: Solve for x
    x = 89,134,148,352.96/292,882.01
  6. Step 6: Final answer
    x = 304,334.67

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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.