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Finding the Fourth Proportional to 495,019.74, 741,273.63 and 414,846.90

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Solution

The fourth proportional to 495,019.74, 741,273.63 and 414,846.90 is: 621,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,019.74 : 741,273.63 = 414,846.90 : x
  2. Step 2: Convert to fraction form
    495,019.74/741,273.63 = 414,846.90/x
  3. Step 3: Cross multiply
    495,019.74x = 741,273.63 × 414,846.90
  4. Step 4: Simplify right side
    495,019.74x = 307,515,067,457.25
  5. Step 5: Solve for x
    x = 307,515,067,457.25/495,019.74
  6. Step 6: Final answer
    x = 621,217.79

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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.