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Finding the Fourth Proportional to 445,703.94, 615,067.85 and 241,754.36

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Solution

The fourth proportional to 445,703.94, 615,067.85 and 241,754.36 is: 333,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,703.94 : 615,067.85 = 241,754.36 : x
  2. Step 2: Convert to fraction form
    445,703.94/615,067.85 = 241,754.36/x
  3. Step 3: Cross multiply
    445,703.94x = 615,067.85 × 241,754.36
  4. Step 4: Simplify right side
    445,703.94x = 148,695,331,962.37
  5. Step 5: Solve for x
    x = 148,695,331,962.37/445,703.94
  6. Step 6: Final answer
    x = 333,619.07

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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.