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Finding the Fourth Proportional to 347,975.58, 522,015.21 and 161,005.98

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Solution

The fourth proportional to 347,975.58, 522,015.21 and 161,005.98 is: 241,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,975.58 : 522,015.21 = 161,005.98 : x
  2. Step 2: Convert to fraction form
    347,975.58/522,015.21 = 161,005.98/x
  3. Step 3: Cross multiply
    347,975.58x = 522,015.21 × 161,005.98
  4. Step 4: Simplify right side
    347,975.58x = 84,047,570,460.96
  5. Step 5: Solve for x
    x = 84,047,570,460.96/347,975.58
  6. Step 6: Final answer
    x = 241,532.96

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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.