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Finding the Fourth Proportional to 404,048.80, 557,572.80 and 220,283.44

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Solution

The fourth proportional to 404,048.80, 557,572.80 and 220,283.44 is: 303,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,048.80 : 557,572.80 = 220,283.44 : x
  2. Step 2: Convert to fraction form
    404,048.80/557,572.80 = 220,283.44/x
  3. Step 3: Cross multiply
    404,048.80x = 557,572.80 × 220,283.44
  4. Step 4: Simplify right side
    404,048.80x = 122,824,054,434.43
  5. Step 5: Solve for x
    x = 122,824,054,434.43/404,048.80
  6. Step 6: Final answer
    x = 303,983.22

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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.