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Finding the Fourth Proportional to 567,351.44, 782,950.44 and 312,712.40

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Solution

The fourth proportional to 567,351.44, 782,950.44 and 312,712.40 is: 431,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,351.44 : 782,950.44 = 312,712.40 : x
  2. Step 2: Convert to fraction form
    567,351.44/782,950.44 = 312,712.40/x
  3. Step 3: Cross multiply
    567,351.44x = 782,950.44 × 312,712.40
  4. Step 4: Simplify right side
    567,351.44x = 244,838,311,173.46
  5. Step 5: Solve for x
    x = 244,838,311,173.46/567,351.44
  6. Step 6: Final answer
    x = 431,546.12

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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.