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Finding the Fourth Proportional to 446,422.65, 616,067.81 and 242,475.57

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Solution

The fourth proportional to 446,422.65, 616,067.81 and 242,475.57 is: 334,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,422.65 : 616,067.81 = 242,475.57 : x
  2. Step 2: Convert to fraction form
    446,422.65/616,067.81 = 242,475.57/x
  3. Step 3: Cross multiply
    446,422.65x = 616,067.81 × 242,475.57
  4. Step 4: Simplify right side
    446,422.65x = 149,381,393,388.40
  5. Step 5: Solve for x
    x = 149,381,393,388.40/446,422.65
  6. Step 6: Final answer
    x = 334,618.76

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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.