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Finding the Fourth Proportional to 795,589.68, 1,191,485 and 457,920.56

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Solution

The fourth proportional to 795,589.68, 1,191,485 and 457,920.56 is: 685,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,589.68 : 1,191,485 = 457,920.56 : x
  2. Step 2: Convert to fraction form
    795,589.68/1,191,485 = 457,920.56/x
  3. Step 3: Cross multiply
    795,589.68x = 1,191,485 × 457,920.56
  4. Step 4: Simplify right side
    795,589.68x = 545,605,478,431.60
  5. Step 5: Solve for x
    x = 545,605,478,431.60/795,589.68
  6. Step 6: Final answer
    x = 685,787.53

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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.