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Finding the Fourth Proportional to 378,397.24, 567,212.58 and 245,361.88

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Solution

The fourth proportional to 378,397.24, 567,212.58 and 245,361.88 is: 367,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,397.24 : 567,212.58 = 245,361.88 : x
  2. Step 2: Convert to fraction form
    378,397.24/567,212.58 = 245,361.88/x
  3. Step 3: Cross multiply
    378,397.24x = 567,212.58 × 245,361.88
  4. Step 4: Simplify right side
    378,397.24x = 139,172,344,988.45
  5. Step 5: Solve for x
    x = 139,172,344,988.45/378,397.24
  6. Step 6: Final answer
    x = 367,794.29

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1.5x scale

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.