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Finding the Fourth Proportional to 570,803.41, 856,245.09 and 229,246.86

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Solution

The fourth proportional to 570,803.41, 856,245.09 and 229,246.86 is: 343,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,803.41 : 856,245.09 = 229,246.86 : x
  2. Step 2: Convert to fraction form
    570,803.41/856,245.09 = 229,246.86/x
  3. Step 3: Cross multiply
    570,803.41x = 856,245.09 × 229,246.86
  4. Step 4: Simplify right side
    570,803.41x = 196,291,498,272.92
  5. Step 5: Solve for x
    x = 196,291,498,272.92/570,803.41
  6. Step 6: Final answer
    x = 343,886.34

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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.