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Finding the Fourth Proportional to 400,032.48, 552,043.44 and 221,184.48

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Solution

The fourth proportional to 400,032.48, 552,043.44 and 221,184.48 is: 305,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,032.48 : 552,043.44 = 221,184.48 : x
  2. Step 2: Convert to fraction form
    400,032.48/552,043.44 = 221,184.48/x
  3. Step 3: Cross multiply
    400,032.48x = 552,043.44 × 221,184.48
  4. Step 4: Simplify right side
    400,032.48x = 122,103,441,213.81
  5. Step 5: Solve for x
    x = 122,103,441,213.81/400,032.48
  6. Step 6: Final answer
    x = 305,233.82

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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.