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Finding the Fourth Proportional to 573,472.36, 860,383.50 and 293,186.44

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Solution

The fourth proportional to 573,472.36, 860,383.50 and 293,186.44 is: 439,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,472.36 : 860,383.50 = 293,186.44 : x
  2. Step 2: Convert to fraction form
    573,472.36/860,383.50 = 293,186.44/x
  3. Step 3: Cross multiply
    573,472.36x = 860,383.50 × 293,186.44
  4. Step 4: Simplify right side
    573,472.36x = 252,252,775,399.74
  5. Step 5: Solve for x
    x = 252,252,775,399.74/573,472.36
  6. Step 6: Final answer
    x = 439,869.11

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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.