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Finding the Fourth Proportional to 334,806.70, 501,782.98 and 156,921.80

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Solution

The fourth proportional to 334,806.70, 501,782.98 and 156,921.80 is: 235,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,806.70 : 501,782.98 = 156,921.80 : x
  2. Step 2: Convert to fraction form
    334,806.70/501,782.98 = 156,921.80/x
  3. Step 3: Cross multiply
    334,806.70x = 501,782.98 × 156,921.80
  4. Step 4: Simplify right side
    334,806.70x = 78,740,688,430.96
  5. Step 5: Solve for x
    x = 78,740,688,430.96/334,806.70
  6. Step 6: Final answer
    x = 235,182.53

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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.