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Finding the Fourth Proportional to 613,227.06, 919,840.86 and 275,873.76

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Solution

The fourth proportional to 613,227.06, 919,840.86 and 275,873.76 is: 413,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,227.06 : 919,840.86 = 275,873.76 : x
  2. Step 2: Convert to fraction form
    613,227.06/919,840.86 = 275,873.76/x
  3. Step 3: Cross multiply
    613,227.06x = 919,840.86 × 275,873.76
  4. Step 4: Simplify right side
    613,227.06x = 253,759,956,649.83
  5. Step 5: Solve for x
    x = 253,759,956,649.83/613,227.06
  6. Step 6: Final answer
    x = 413,810.76

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1.5x scale

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.