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Finding the Fourth Proportional to 478,964.44, 660,955.83 and 264,113.56

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Solution

The fourth proportional to 478,964.44, 660,955.83 and 264,113.56 is: 364,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,964.44 : 660,955.83 = 264,113.56 : x
  2. Step 2: Convert to fraction form
    478,964.44/660,955.83 = 264,113.56/x
  3. Step 3: Cross multiply
    478,964.44x = 660,955.83 × 264,113.56
  4. Step 4: Simplify right side
    478,964.44x = 174,567,393,959.28
  5. Step 5: Solve for x
    x = 174,567,393,959.28/478,964.44
  6. Step 6: Final answer
    x = 364,468.38

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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.