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Finding the Fourth Proportional to 324,204.40, 486,095.40 and 291,026.80

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Solution

The fourth proportional to 324,204.40, 486,095.40 and 291,026.80 is: 436,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,204.40 : 486,095.40 = 291,026.80 : x
  2. Step 2: Convert to fraction form
    324,204.40/486,095.40 = 291,026.80/x
  3. Step 3: Cross multiply
    324,204.40x = 486,095.40 × 291,026.80
  4. Step 4: Simplify right side
    324,204.40x = 141,466,788,756.72
  5. Step 5: Solve for x
    x = 141,466,788,756.72/324,204.40
  6. Step 6: Final answer
    x = 436,350.61

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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.