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Finding the Fourth Proportional to 427,702.94, 590,220.94 and 234,110.61

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Solution

The fourth proportional to 427,702.94, 590,220.94 and 234,110.61 is: 323,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,702.94 : 590,220.94 = 234,110.61 : x
  2. Step 2: Convert to fraction form
    427,702.94/590,220.94 = 234,110.61/x
  3. Step 3: Cross multiply
    427,702.94x = 590,220.94 × 234,110.61
  4. Step 4: Simplify right side
    427,702.94x = 138,176,984,298.17
  5. Step 5: Solve for x
    x = 138,176,984,298.17/427,702.94
  6. Step 6: Final answer
    x = 323,067.65

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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.