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Finding the Fourth Proportional to 296,806.50, 409,618.89 and 162,696.42

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Solution

The fourth proportional to 296,806.50, 409,618.89 and 162,696.42 is: 224,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,806.50 : 409,618.89 = 162,696.42 : x
  2. Step 2: Convert to fraction form
    296,806.50/409,618.89 = 162,696.42/x
  3. Step 3: Cross multiply
    296,806.50x = 409,618.89 × 162,696.42
  4. Step 4: Simplify right side
    296,806.50x = 66,643,526,967.37
  5. Step 5: Solve for x
    x = 66,643,526,967.37/296,806.50
  6. Step 6: Final answer
    x = 224,535.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.