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Finding the Fourth Proportional to 337,240.60, 505,715.10 and 168,695.80

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Solution

The fourth proportional to 337,240.60, 505,715.10 and 168,695.80 is: 252,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,240.60 : 505,715.10 = 168,695.80 : x
  2. Step 2: Convert to fraction form
    337,240.60/505,715.10 = 168,695.80/x
  3. Step 3: Cross multiply
    337,240.60x = 505,715.10 × 168,695.80
  4. Step 4: Simplify right side
    337,240.60x = 85,312,013,366.58
  5. Step 5: Solve for x
    x = 85,312,013,366.58/337,240.60
  6. Step 6: Final answer
    x = 252,970.77

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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.