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Finding the Fourth Proportional to 474,120.63, 653,754.40 and 301,765.59

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Solution

The fourth proportional to 474,120.63, 653,754.40 and 301,765.59 is: 416,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,120.63 : 653,754.40 = 301,765.59 : x
  2. Step 2: Convert to fraction form
    474,120.63/653,754.40 = 301,765.59/x
  3. Step 3: Cross multiply
    474,120.63x = 653,754.40 × 301,765.59
  4. Step 4: Simplify right side
    474,120.63x = 197,280,581,476.68
  5. Step 5: Solve for x
    x = 197,280,581,476.68/474,120.63
  6. Step 6: Final answer
    x = 416,097.86

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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.