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Finding the Fourth Proportional to 397,955.52, 549,165.66 and 225,887.22

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Solution

The fourth proportional to 397,955.52, 549,165.66 and 225,887.22 is: 311,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,955.52 : 549,165.66 = 225,887.22 : x
  2. Step 2: Convert to fraction form
    397,955.52/549,165.66 = 225,887.22/x
  3. Step 3: Cross multiply
    397,955.52x = 549,165.66 × 225,887.22
  4. Step 4: Simplify right side
    397,955.52x = 124,049,504,256.87
  5. Step 5: Solve for x
    x = 124,049,504,256.87/397,955.52
  6. Step 6: Final answer
    x = 311,717.01

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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.