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Finding the Fourth Proportional to 582,571.80, 874,197.30 and 245,591.80

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Solution

The fourth proportional to 582,571.80, 874,197.30 and 245,591.80 is: 368,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,571.80 : 874,197.30 = 245,591.80 : x
  2. Step 2: Convert to fraction form
    582,571.80/874,197.30 = 245,591.80/x
  3. Step 3: Cross multiply
    582,571.80x = 874,197.30 × 245,591.80
  4. Step 4: Simplify right side
    582,571.80x = 214,695,688,462.14
  5. Step 5: Solve for x
    x = 214,695,688,462.14/582,571.80
  6. Step 6: Final answer
    x = 368,530.86

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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.