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Finding the Fourth Proportional to 269,968.80, 404,722.80 and 190,834.08

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Solution

The fourth proportional to 269,968.80, 404,722.80 and 190,834.08 is: 286,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,968.80 : 404,722.80 = 190,834.08 : x
  2. Step 2: Convert to fraction form
    269,968.80/404,722.80 = 190,834.08/x
  3. Step 3: Cross multiply
    269,968.80x = 404,722.80 × 190,834.08
  4. Step 4: Simplify right side
    269,968.80x = 77,234,903,193.02
  5. Step 5: Solve for x
    x = 77,234,903,193.02/269,968.80
  6. Step 6: Final answer
    x = 286,088.26

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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.