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Finding the Fourth Proportional to 364,137.19, 546,205.78 and 114,819.19

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Solution

The fourth proportional to 364,137.19, 546,205.78 and 114,819.19 is: 172,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,137.19 : 546,205.78 = 114,819.19 : x
  2. Step 2: Convert to fraction form
    364,137.19/546,205.78 = 114,819.19/x
  3. Step 3: Cross multiply
    364,137.19x = 546,205.78 × 114,819.19
  4. Step 4: Simplify right side
    364,137.19x = 62,714,904,010.93
  5. Step 5: Solve for x
    x = 62,714,904,010.93/364,137.19
  6. Step 6: Final answer
    x = 172,228.78

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1.5x scale

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.