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Finding the Fourth Proportional to 324,057.62, 485,623.07 and 237,993.40

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Solution

The fourth proportional to 324,057.62, 485,623.07 and 237,993.40 is: 356,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,057.62 : 485,623.07 = 237,993.40 : x
  2. Step 2: Convert to fraction form
    324,057.62/485,623.07 = 237,993.40/x
  3. Step 3: Cross multiply
    324,057.62x = 485,623.07 × 237,993.40
  4. Step 4: Simplify right side
    324,057.62x = 115,575,085,547.74
  5. Step 5: Solve for x
    x = 115,575,085,547.74/324,057.62
  6. Step 6: Final answer
    x = 356,649.80

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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.