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Finding the Fourth Proportional to 672,411.06, 927,903.60 and 366,481.44

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Solution

The fourth proportional to 672,411.06, 927,903.60 and 366,481.44 is: 505,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,411.06 : 927,903.60 = 366,481.44 : x
  2. Step 2: Convert to fraction form
    672,411.06/927,903.60 = 366,481.44/x
  3. Step 3: Cross multiply
    672,411.06x = 927,903.60 × 366,481.44
  4. Step 4: Simplify right side
    672,411.06x = 340,059,447,509.18
  5. Step 5: Solve for x
    x = 340,059,447,509.18/672,411.06
  6. Step 6: Final answer
    x = 505,731.49

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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.