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Finding the Fourth Proportional to 427,879.80, 590,470.06 and 246,525.24

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Solution

The fourth proportional to 427,879.80, 590,470.06 and 246,525.24 is: 340,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,879.80 : 590,470.06 = 246,525.24 : x
  2. Step 2: Convert to fraction form
    427,879.80/590,470.06 = 246,525.24/x
  3. Step 3: Cross multiply
    427,879.80x = 590,470.06 × 246,525.24
  4. Step 4: Simplify right side
    427,879.80x = 145,565,773,254.31
  5. Step 5: Solve for x
    x = 145,565,773,254.31/427,879.80
  6. Step 6: Final answer
    x = 340,202.49

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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.