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Finding the Fourth Proportional to 565,335.57, 779,812.89 and 371,765.43

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Solution

The fourth proportional to 565,335.57, 779,812.89 and 371,765.43 is: 512,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,335.57 : 779,812.89 = 371,765.43 : x
  2. Step 2: Convert to fraction form
    565,335.57/779,812.89 = 371,765.43/x
  3. Step 3: Cross multiply
    565,335.57x = 779,812.89 × 371,765.43
  4. Step 4: Simplify right side
    565,335.57x = 289,907,474,370.39
  5. Step 5: Solve for x
    x = 289,907,474,370.39/565,335.57
  6. Step 6: Final answer
    x = 512,806.00

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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.