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Finding the Fourth Proportional to 323,544.94, 485,318.64 and 98,904.52

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Solution

The fourth proportional to 323,544.94, 485,318.64 and 98,904.52 is: 148,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,544.94 : 485,318.64 = 98,904.52 : x
  2. Step 2: Convert to fraction form
    323,544.94/485,318.64 = 98,904.52/x
  3. Step 3: Cross multiply
    323,544.94x = 485,318.64 × 98,904.52
  4. Step 4: Simplify right side
    323,544.94x = 48,000,207,136.25
  5. Step 5: Solve for x
    x = 48,000,207,136.25/323,544.94
  6. Step 6: Final answer
    x = 148,357.16

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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.