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Finding the Fourth Proportional to 347,173.58, 520,756.59 and 263,447.93

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Solution

The fourth proportional to 347,173.58, 520,756.59 and 263,447.93 is: 395,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,173.58 : 520,756.59 = 263,447.93 : x
  2. Step 2: Convert to fraction form
    347,173.58/520,756.59 = 263,447.93/x
  3. Step 3: Cross multiply
    347,173.58x = 520,756.59 × 263,447.93
  4. Step 4: Simplify right side
    347,173.58x = 137,192,245,669.36
  5. Step 5: Solve for x
    x = 137,192,245,669.36/347,173.58
  6. Step 6: Final answer
    x = 395,169.03

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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.