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Finding the Fourth Proportional to 347,289.98, 520,934.97 and 228,933.64

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Solution

The fourth proportional to 347,289.98, 520,934.97 and 228,933.64 is: 343,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,289.98 : 520,934.97 = 228,933.64 : x
  2. Step 2: Convert to fraction form
    347,289.98/520,934.97 = 228,933.64/x
  3. Step 3: Cross multiply
    347,289.98x = 520,934.97 × 228,933.64
  4. Step 4: Simplify right side
    347,289.98x = 119,259,539,751.19
  5. Step 5: Solve for x
    x = 119,259,539,751.19/347,289.98
  6. Step 6: Final answer
    x = 343,400.46

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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.