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Finding the Fourth Proportional to 417,845.51, 627,017.30 and 151,626.79

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Solution

The fourth proportional to 417,845.51, 627,017.30 and 151,626.79 is: 227,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,845.51 : 627,017.30 = 151,626.79 : x
  2. Step 2: Convert to fraction form
    417,845.51/627,017.30 = 151,626.79/x
  3. Step 3: Cross multiply
    417,845.51x = 627,017.30 × 151,626.79
  4. Step 4: Simplify right side
    417,845.51x = 95,072,620,473.47
  5. Step 5: Solve for x
    x = 95,072,620,473.47/417,845.51
  6. Step 6: Final answer
    x = 227,530.55

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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.