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Finding the Fourth Proportional to 384,422.46, 530,752.41 and 344,066.24

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Solution

The fourth proportional to 384,422.46, 530,752.41 and 344,066.24 is: 475,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,422.46 : 530,752.41 = 344,066.24 : x
  2. Step 2: Convert to fraction form
    384,422.46/530,752.41 = 344,066.24/x
  3. Step 3: Cross multiply
    384,422.46x = 530,752.41 × 344,066.24
  4. Step 4: Simplify right side
    384,422.46x = 182,613,983,425.88
  5. Step 5: Solve for x
    x = 182,613,983,425.88/384,422.46
  6. Step 6: Final answer
    x = 475,034.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.