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Finding the Fourth Proportional to 404,037.30, 606,712.05 and 271,505.10

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Solution

The fourth proportional to 404,037.30, 606,712.05 and 271,505.10 is: 407,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,037.30 : 606,712.05 = 271,505.10 : x
  2. Step 2: Convert to fraction form
    404,037.30/606,712.05 = 271,505.10/x
  3. Step 3: Cross multiply
    404,037.30x = 606,712.05 × 271,505.10
  4. Step 4: Simplify right side
    404,037.30x = 164,725,415,806.46
  5. Step 5: Solve for x
    x = 164,725,415,806.46/404,037.30
  6. Step 6: Final answer
    x = 407,698.54

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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.