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Finding the Fourth Proportional to 504,365.22, 696,003.06 and 274,917.47

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Solution

The fourth proportional to 504,365.22, 696,003.06 and 274,917.47 is: 379,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,365.22 : 696,003.06 = 274,917.47 : x
  2. Step 2: Convert to fraction form
    504,365.22/696,003.06 = 274,917.47/x
  3. Step 3: Cross multiply
    504,365.22x = 696,003.06 × 274,917.47
  4. Step 4: Simplify right side
    504,365.22x = 191,343,396,887.44
  5. Step 5: Solve for x
    x = 191,343,396,887.44/504,365.22
  6. Step 6: Final answer
    x = 379,374.69

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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.