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Finding the Fourth Proportional to 560,813.18, 773,900.34 and 306,166.46

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Solution

The fourth proportional to 560,813.18, 773,900.34 and 306,166.46 is: 422,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,813.18 : 773,900.34 = 306,166.46 : x
  2. Step 2: Convert to fraction form
    560,813.18/773,900.34 = 306,166.46/x
  3. Step 3: Cross multiply
    560,813.18x = 773,900.34 × 306,166.46
  4. Step 4: Simplify right side
    560,813.18x = 236,942,327,490.60
  5. Step 5: Solve for x
    x = 236,942,327,490.60/560,813.18
  6. Step 6: Final answer
    x = 422,497.79

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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.