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Finding the Fourth Proportional to 231,375.40, 346,479.90 and 152,060.20

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Solution

The fourth proportional to 231,375.40, 346,479.90 and 152,060.20 is: 227,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,375.40 : 346,479.90 = 152,060.20 : x
  2. Step 2: Convert to fraction form
    231,375.40/346,479.90 = 152,060.20/x
  3. Step 3: Cross multiply
    231,375.40x = 346,479.90 × 152,060.20
  4. Step 4: Simplify right side
    231,375.40x = 52,685,802,889.98
  5. Step 5: Solve for x
    x = 52,685,802,889.98/231,375.40
  6. Step 6: Final answer
    x = 227,707.02

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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.