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Finding the Fourth Proportional to 414,794.94, 572,448.54 and 251,498.94

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Solution

The fourth proportional to 414,794.94, 572,448.54 and 251,498.94 is: 347,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,794.94 : 572,448.54 = 251,498.94 : x
  2. Step 2: Convert to fraction form
    414,794.94/572,448.54 = 251,498.94/x
  3. Step 3: Cross multiply
    414,794.94x = 572,448.54 × 251,498.94
  4. Step 4: Simplify right side
    414,794.94x = 143,970,201,014.55
  5. Step 5: Solve for x
    x = 143,970,201,014.55/414,794.94
  6. Step 6: Final answer
    x = 347,087.65

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1.5x scale

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.