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Finding the Fourth Proportional to 323,494.83, 485,329.59 and 98,849.12

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Solution

The fourth proportional to 323,494.83, 485,329.59 and 98,849.12 is: 148,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,494.83 : 485,329.59 = 98,849.12 : x
  2. Step 2: Convert to fraction form
    323,494.83/485,329.59 = 98,849.12/x
  3. Step 3: Cross multiply
    323,494.83x = 485,329.59 × 98,849.12
  4. Step 4: Simplify right side
    323,494.83x = 47,974,400,454.81
  5. Step 5: Solve for x
    x = 47,974,400,454.81/323,494.83
  6. Step 6: Final answer
    x = 148,300.36

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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.