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Finding the Fourth Proportional to 404,472.18, 606,837.78 and 194,124.90

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Solution

The fourth proportional to 404,472.18, 606,837.78 and 194,124.90 is: 291,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,472.18 : 606,837.78 = 194,124.90 : x
  2. Step 2: Convert to fraction form
    404,472.18/606,837.78 = 194,124.90/x
  3. Step 3: Cross multiply
    404,472.18x = 606,837.78 × 194,124.90
  4. Step 4: Simplify right side
    404,472.18x = 117,802,323,358.72
  5. Step 5: Solve for x
    x = 117,802,323,358.72/404,472.18
  6. Step 6: Final answer
    x = 291,249.51

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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.