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Finding the Fourth Proportional to 286,573.52, 395,459.52 and 159,248

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Solution

The fourth proportional to 286,573.52, 395,459.52 and 159,248 is: 219,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,573.52 : 395,459.52 = 159,248 : x
  2. Step 2: Convert to fraction form
    286,573.52/395,459.52 = 159,248/x
  3. Step 3: Cross multiply
    286,573.52x = 395,459.52 × 159,248
  4. Step 4: Simplify right side
    286,573.52x = 62,976,137,640.96
  5. Step 5: Solve for x
    x = 62,976,137,640.96/286,573.52
  6. Step 6: Final answer
    x = 219,755.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.