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Finding the Fourth Proportional to 323,360.42, 485,018.06 and 120,918.02

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Solution

The fourth proportional to 323,360.42, 485,018.06 and 120,918.02 is: 181,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,360.42 : 485,018.06 = 120,918.02 : x
  2. Step 2: Convert to fraction form
    323,360.42/485,018.06 = 120,918.02/x
  3. Step 3: Cross multiply
    323,360.42x = 485,018.06 × 120,918.02
  4. Step 4: Simplify right side
    323,360.42x = 58,647,424,994.28
  5. Step 5: Solve for x
    x = 58,647,424,994.28/323,360.42
  6. Step 6: Final answer
    x = 181,368.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.