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Finding the Fourth Proportional to 558,887.94, 771,270.12 and 304,238.52

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Solution

The fourth proportional to 558,887.94, 771,270.12 and 304,238.52 is: 419,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,887.94 : 771,270.12 = 304,238.52 : x
  2. Step 2: Convert to fraction form
    558,887.94/771,270.12 = 304,238.52/x
  3. Step 3: Cross multiply
    558,887.94x = 771,270.12 × 304,238.52
  4. Step 4: Simplify right side
    558,887.94x = 234,650,079,829.02
  5. Step 5: Solve for x
    x = 234,650,079,829.02/558,887.94
  6. Step 6: Final answer
    x = 419,851.75

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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.