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Finding the Fourth Proportional to 347,951.86, 521,041.77 and 229,263.37

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Solution

The fourth proportional to 347,951.86, 521,041.77 and 229,263.37 is: 343,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,951.86 : 521,041.77 = 229,263.37 : x
  2. Step 2: Convert to fraction form
    347,951.86/521,041.77 = 229,263.37/x
  3. Step 3: Cross multiply
    347,951.86x = 521,041.77 × 229,263.37
  4. Step 4: Simplify right side
    347,951.86x = 119,455,790,798.36
  5. Step 5: Solve for x
    x = 119,455,790,798.36/347,951.86
  6. Step 6: Final answer
    x = 343,311.26

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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.