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Finding the Fourth Proportional to 340,922.98, 511,302.46 and 104,267.71

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Solution

The fourth proportional to 340,922.98, 511,302.46 and 104,267.71 is: 156,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,922.98 : 511,302.46 = 104,267.71 : x
  2. Step 2: Convert to fraction form
    340,922.98/511,302.46 = 104,267.71/x
  3. Step 3: Cross multiply
    340,922.98x = 511,302.46 × 104,267.71
  4. Step 4: Simplify right side
    340,922.98x = 53,312,337,195.53
  5. Step 5: Solve for x
    x = 53,312,337,195.53/340,922.98
  6. Step 6: Final answer
    x = 156,376.48

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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.