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Finding the Fourth Proportional to 446,616.80, 616,333.46 and 242,668.24

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Solution

The fourth proportional to 446,616.80, 616,333.46 and 242,668.24 is: 334,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,616.80 : 616,333.46 = 242,668.24 : x
  2. Step 2: Convert to fraction form
    446,616.80/616,333.46 = 242,668.24/x
  3. Step 3: Cross multiply
    446,616.80x = 616,333.46 × 242,668.24
  4. Step 4: Simplify right side
    446,616.80x = 149,564,555,991.31
  5. Step 5: Solve for x
    x = 149,564,555,991.31/446,616.80
  6. Step 6: Final answer
    x = 334,883.41

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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.