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Finding the Fourth Proportional to 417,663.46, 576,372.18 and 226,676.94

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Solution

The fourth proportional to 417,663.46, 576,372.18 and 226,676.94 is: 312,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,663.46 : 576,372.18 = 226,676.94 : x
  2. Step 2: Convert to fraction form
    417,663.46/576,372.18 = 226,676.94/x
  3. Step 3: Cross multiply
    417,663.46x = 576,372.18 × 226,676.94
  4. Step 4: Simplify right side
    417,663.46x = 130,650,282,063.53
  5. Step 5: Solve for x
    x = 130,650,282,063.53/417,663.46
  6. Step 6: Final answer
    x = 312,812.33

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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.