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Finding the Fourth Proportional to 570,804.40, 856,246.60 and 229,247.86

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Solution

The fourth proportional to 570,804.40, 856,246.60 and 229,247.86 is: 343,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,804.40 : 856,246.60 = 229,247.86 : x
  2. Step 2: Convert to fraction form
    570,804.40/856,246.60 = 229,247.86/x
  3. Step 3: Cross multiply
    570,804.40x = 856,246.60 × 229,247.86
  4. Step 4: Simplify right side
    570,804.40x = 196,292,700,682.28
  5. Step 5: Solve for x
    x = 196,292,700,682.28/570,804.40
  6. Step 6: Final answer
    x = 343,887.85

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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.