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Finding the Fourth Proportional to 573,199.99, 790,998.89 and 328,176.61

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Solution

The fourth proportional to 573,199.99, 790,998.89 and 328,176.61 is: 452,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,199.99 : 790,998.89 = 328,176.61 : x
  2. Step 2: Convert to fraction form
    573,199.99/790,998.89 = 328,176.61/x
  3. Step 3: Cross multiply
    573,199.99x = 790,998.89 × 328,176.61
  4. Step 4: Simplify right side
    573,199.99x = 259,587,334,233.96
  5. Step 5: Solve for x
    x = 259,587,334,233.96/573,199.99
  6. Step 6: Final answer
    x = 452,873.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.