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Finding the Fourth Proportional to 326,360.16, 489,579.12 and 116,019.36

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Solution

The fourth proportional to 326,360.16, 489,579.12 and 116,019.36 is: 174,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,360.16 : 489,579.12 = 116,019.36 : x
  2. Step 2: Convert to fraction form
    326,360.16/489,579.12 = 116,019.36/x
  3. Step 3: Cross multiply
    326,360.16x = 489,579.12 × 116,019.36
  4. Step 4: Simplify right side
    326,360.16x = 56,800,656,171.76
  5. Step 5: Solve for x
    x = 56,800,656,171.76/326,360.16
  6. Step 6: Final answer
    x = 174,042.86

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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.