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Finding the Fourth Proportional to 334,812.70, 501,791.98 and 156,927.80

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Solution

The fourth proportional to 334,812.70, 501,791.98 and 156,927.80 is: 235,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,812.70 : 501,791.98 = 156,927.80 : x
  2. Step 2: Convert to fraction form
    334,812.70/501,791.98 = 156,927.80/x
  3. Step 3: Cross multiply
    334,812.70x = 501,791.98 × 156,927.80
  4. Step 4: Simplify right side
    334,812.70x = 78,745,111,479.04
  5. Step 5: Solve for x
    x = 78,745,111,479.04/334,812.70
  6. Step 6: Final answer
    x = 235,191.53

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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.