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Finding the Fourth Proportional to 625,052.48, 937,622.46 and 309,424.64

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Solution

The fourth proportional to 625,052.48, 937,622.46 and 309,424.64 is: 464,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,052.48 : 937,622.46 = 309,424.64 : x
  2. Step 2: Convert to fraction form
    625,052.48/937,622.46 = 309,424.64/x
  3. Step 3: Cross multiply
    625,052.48x = 937,622.46 × 309,424.64
  4. Step 4: Simplify right side
    625,052.48x = 290,123,492,141.41
  5. Step 5: Solve for x
    x = 290,123,492,141.41/625,052.48
  6. Step 6: Final answer
    x = 464,158.61

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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.