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Finding the Fourth Proportional to 573,474.36, 860,386.50 and 293,188.44

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Solution

The fourth proportional to 573,474.36, 860,386.50 and 293,188.44 is: 439,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,474.36 : 860,386.50 = 293,188.44 : x
  2. Step 2: Convert to fraction form
    573,474.36/860,386.50 = 293,188.44/x
  3. Step 3: Cross multiply
    573,474.36x = 860,386.50 × 293,188.44
  4. Step 4: Simplify right side
    573,474.36x = 252,255,375,732.06
  5. Step 5: Solve for x
    x = 252,255,375,732.06/573,474.36
  6. Step 6: Final answer
    x = 439,872.11

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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.