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Finding the Fourth Proportional to 364,553.59, 503,176.31 and 217,536.70

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Solution

The fourth proportional to 364,553.59, 503,176.31 and 217,536.70 is: 300,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,553.59 : 503,176.31 = 217,536.70 : x
  2. Step 2: Convert to fraction form
    364,553.59/503,176.31 = 217,536.70/x
  3. Step 3: Cross multiply
    364,553.59x = 503,176.31 × 217,536.70
  4. Step 4: Simplify right side
    364,553.59x = 109,459,313,995.58
  5. Step 5: Solve for x
    x = 109,459,313,995.58/364,553.59
  6. Step 6: Final answer
    x = 300,255.76

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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.