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Finding the Fourth Proportional to 583,571.88, 805,993.50 and 392,253.12

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Solution

The fourth proportional to 583,571.88, 805,993.50 and 392,253.12 is: 541,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,571.88 : 805,993.50 = 392,253.12 : x
  2. Step 2: Convert to fraction form
    583,571.88/805,993.50 = 392,253.12/x
  3. Step 3: Cross multiply
    583,571.88x = 805,993.50 × 392,253.12
  4. Step 4: Simplify right side
    583,571.88x = 316,153,468,812.53
  5. Step 5: Solve for x
    x = 316,153,468,812.53/583,571.88
  6. Step 6: Final answer
    x = 541,755.83

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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.