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Finding the Fourth Proportional to 323,576.24, 485,365.50 and 98,935.83

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Solution

The fourth proportional to 323,576.24, 485,365.50 and 98,935.83 is: 148,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,576.24 : 485,365.50 = 98,935.83 : x
  2. Step 2: Convert to fraction form
    323,576.24/485,365.50 = 98,935.83/x
  3. Step 3: Cross multiply
    323,576.24x = 485,365.50 × 98,935.83
  4. Step 4: Simplify right side
    323,576.24x = 48,020,038,595.87
  5. Step 5: Solve for x
    x = 48,020,038,595.87/323,576.24
  6. Step 6: Final answer
    x = 148,404.10

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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.