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Finding the Fourth Proportional to 476,731.35, 715,096.35 and 121,745.61

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Solution

The fourth proportional to 476,731.35, 715,096.35 and 121,745.61 is: 182,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,731.35 : 715,096.35 = 121,745.61 : x
  2. Step 2: Convert to fraction form
    476,731.35/715,096.35 = 121,745.61/x
  3. Step 3: Cross multiply
    476,731.35x = 715,096.35 × 121,745.61
  4. Step 4: Simplify right side
    476,731.35x = 87,059,841,339.52
  5. Step 5: Solve for x
    x = 87,059,841,339.52/476,731.35
  6. Step 6: Final answer
    x = 182,618.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.