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Finding the Fourth Proportional to 574,090.90, 861,329.93 and 254,199.09

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Solution

The fourth proportional to 574,090.90, 861,329.93 and 254,199.09 is: 381,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,090.90 : 861,329.93 = 254,199.09 : x
  2. Step 2: Convert to fraction form
    574,090.90/861,329.93 = 254,199.09/x
  3. Step 3: Cross multiply
    574,090.90x = 861,329.93 × 254,199.09
  4. Step 4: Simplify right side
    574,090.90x = 218,949,284,395.76
  5. Step 5: Solve for x
    x = 218,949,284,395.76/574,090.90
  6. Step 6: Final answer
    x = 381,384.35

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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.