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Finding the Fourth Proportional to 561,573.72, 774,723.06 and 335,088.36

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Solution

The fourth proportional to 561,573.72, 774,723.06 and 335,088.36 is: 462,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,573.72 : 774,723.06 = 335,088.36 : x
  2. Step 2: Convert to fraction form
    561,573.72/774,723.06 = 335,088.36/x
  3. Step 3: Cross multiply
    561,573.72x = 774,723.06 × 335,088.36
  4. Step 4: Simplify right side
    561,573.72x = 259,600,679,629.58
  5. Step 5: Solve for x
    x = 259,600,679,629.58/561,573.72
  6. Step 6: Final answer
    x = 462,273.55

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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.