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Finding the Fourth Proportional to 352,288.40, 526,877.40 and 296,301.20

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Solution

The fourth proportional to 352,288.40, 526,877.40 and 296,301.20 is: 443,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,288.40 : 526,877.40 = 296,301.20 : x
  2. Step 2: Convert to fraction form
    352,288.40/526,877.40 = 296,301.20/x
  3. Step 3: Cross multiply
    352,288.40x = 526,877.40 × 296,301.20
  4. Step 4: Simplify right side
    352,288.40x = 156,114,405,872.88
  5. Step 5: Solve for x
    x = 156,114,405,872.88/352,288.40
  6. Step 6: Final answer
    x = 443,143.76

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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.