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Finding the Fourth Proportional to 400,588.01, 552,811.41 and 219,299.37

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Solution

The fourth proportional to 400,588.01, 552,811.41 and 219,299.37 is: 302,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,588.01 : 552,811.41 = 219,299.37 : x
  2. Step 2: Convert to fraction form
    400,588.01/552,811.41 = 219,299.37/x
  3. Step 3: Cross multiply
    400,588.01x = 552,811.41 × 219,299.37
  4. Step 4: Simplify right side
    400,588.01x = 121,231,195,916.34
  5. Step 5: Solve for x
    x = 121,231,195,916.34/400,588.01
  6. Step 6: Final answer
    x = 302,633.11

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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.