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Finding the Fourth Proportional to 613,037.88, 919,555.92 and 192,346.56

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Solution

The fourth proportional to 613,037.88, 919,555.92 and 192,346.56 is: 288,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,037.88 : 919,555.92 = 192,346.56 : x
  2. Step 2: Convert to fraction form
    613,037.88/919,555.92 = 192,346.56/x
  3. Step 3: Cross multiply
    613,037.88x = 919,555.92 × 192,346.56
  4. Step 4: Simplify right side
    613,037.88x = 176,873,417,939.64
  5. Step 5: Solve for x
    x = 176,873,417,939.64/613,037.88
  6. Step 6: Final answer
    x = 288,519.56

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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.