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Finding the Fourth Proportional to 575,571.24, 863,978.94 and 243,380.52

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Solution

The fourth proportional to 575,571.24, 863,978.94 and 243,380.52 is: 365,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,571.24 : 863,978.94 = 243,380.52 : x
  2. Step 2: Convert to fraction form
    575,571.24/863,978.94 = 243,380.52/x
  3. Step 3: Cross multiply
    575,571.24x = 863,978.94 × 243,380.52
  4. Step 4: Simplify right side
    575,571.24x = 210,275,643,686.25
  5. Step 5: Solve for x
    x = 210,275,643,686.25/575,571.24
  6. Step 6: Final answer
    x = 365,333.83

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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.