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Finding the Fourth Proportional to 467,671.04, 644,955.63 and 306,467.54

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Solution

The fourth proportional to 467,671.04, 644,955.63 and 306,467.54 is: 422,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,671.04 : 644,955.63 = 306,467.54 : x
  2. Step 2: Convert to fraction form
    467,671.04/644,955.63 = 306,467.54/x
  3. Step 3: Cross multiply
    467,671.04x = 644,955.63 × 306,467.54
  4. Step 4: Simplify right side
    467,671.04x = 197,657,965,103.68
  5. Step 5: Solve for x
    x = 197,657,965,103.68/467,671.04
  6. Step 6: Final answer
    x = 422,643.16

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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.