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Finding the Fourth Proportional to 573,072.74, 790,837.72 and 328,056.15

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Solution

The fourth proportional to 573,072.74, 790,837.72 and 328,056.15 is: 452,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,072.74 : 790,837.72 = 328,056.15 : x
  2. Step 2: Convert to fraction form
    573,072.74/790,837.72 = 328,056.15/x
  3. Step 3: Cross multiply
    573,072.74x = 790,837.72 × 328,056.15
  4. Step 4: Simplify right side
    573,072.74x = 259,439,177,697.98
  5. Step 5: Solve for x
    x = 259,439,177,697.98/573,072.74
  6. Step 6: Final answer
    x = 452,715.96

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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.