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Finding the Fourth Proportional to 573,568.72, 860,351.54 and 213,731.38

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Solution

The fourth proportional to 573,568.72, 860,351.54 and 213,731.38 is: 320,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,568.72 : 860,351.54 = 213,731.38 : x
  2. Step 2: Convert to fraction form
    573,568.72/860,351.54 = 213,731.38/x
  3. Step 3: Cross multiply
    573,568.72x = 860,351.54 × 213,731.38
  4. Step 4: Simplify right side
    573,568.72x = 183,884,117,627.57
  5. Step 5: Solve for x
    x = 183,884,117,627.57/573,568.72
  6. Step 6: Final answer
    x = 320,596.49

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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.