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Finding the Fourth Proportional to 388,162,466.32, 582,039,395.68 and 265,375,898.44

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Solution

The fourth proportional to 388,162,466.32, 582,039,395.68 and 265,375,898.44 is: 397,924,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,162,466.32 : 582,039,395.68 = 265,375,898.44 : x
  2. Step 2: Convert to fraction form
    388,162,466.32/582,039,395.68 = 265,375,898.44/x
  3. Step 3: Cross multiply
    388,162,466.32x = 582,039,395.68 × 265,375,898.44
  4. Step 4: Simplify right side
    388,162,466.32x = 154,459,227,556,054,624
  5. Step 5: Solve for x
    x = 154,459,227,556,054,624/388,162,466.32
  6. Step 6: Final answer
    x = 397,924,170.83

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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.