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Finding the Fourth Proportional to 417,663.99, 576,372.89 and 226,677.42

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Solution

The fourth proportional to 417,663.99, 576,372.89 and 226,677.42 is: 312,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,663.99 : 576,372.89 = 226,677.42 : x
  2. Step 2: Convert to fraction form
    417,663.99/576,372.89 = 226,677.42/x
  3. Step 3: Cross multiply
    417,663.99x = 576,372.89 × 226,677.42
  4. Step 4: Simplify right side
    417,663.99x = 130,650,718,529.76
  5. Step 5: Solve for x
    x = 130,650,718,529.76/417,663.99
  6. Step 6: Final answer
    x = 312,812.98

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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.