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Finding the Fourth Proportional to 400,656.36, 552,884.73 and 219,333.54

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Solution

The fourth proportional to 400,656.36, 552,884.73 and 219,333.54 is: 302,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,656.36 : 552,884.73 = 219,333.54 : x
  2. Step 2: Convert to fraction form
    400,656.36/552,884.73 = 219,333.54/x
  3. Step 3: Cross multiply
    400,656.36x = 552,884.73 × 219,333.54
  4. Step 4: Simplify right side
    400,656.36x = 121,266,165,042.84
  5. Step 5: Solve for x
    x = 121,266,165,042.84/400,656.36
  6. Step 6: Final answer
    x = 302,668.76

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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.