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Finding the Fourth Proportional to 442,837.50, 611,112.48 and 251,850.66

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Solution

The fourth proportional to 442,837.50, 611,112.48 and 251,850.66 is: 347,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,837.50 : 611,112.48 = 251,850.66 : x
  2. Step 2: Convert to fraction form
    442,837.50/611,112.48 = 251,850.66/x
  3. Step 3: Cross multiply
    442,837.50x = 611,112.48 × 251,850.66
  4. Step 4: Simplify right side
    442,837.50x = 153,909,081,422.24
  5. Step 5: Solve for x
    x = 153,909,081,422.24/442,837.50
  6. Step 6: Final answer
    x = 347,552.05

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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.