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Finding the Fourth Proportional to 400,297.62, 600,280.29 and 147,592.56

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Solution

The fourth proportional to 400,297.62, 600,280.29 and 147,592.56 is: 221,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,297.62 : 600,280.29 = 147,592.56 : x
  2. Step 2: Convert to fraction form
    400,297.62/600,280.29 = 147,592.56/x
  3. Step 3: Cross multiply
    400,297.62x = 600,280.29 × 147,592.56
  4. Step 4: Simplify right side
    400,297.62x = 88,596,904,718.64
  5. Step 5: Solve for x
    x = 88,596,904,718.64/400,297.62
  6. Step 6: Final answer
    x = 221,327.58

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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.