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Finding the Fourth Proportional to 384,056.57, 529,829.29 and 366,268.97

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Solution

The fourth proportional to 384,056.57, 529,829.29 and 366,268.97 is: 505,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,056.57 : 529,829.29 = 366,268.97 : x
  2. Step 2: Convert to fraction form
    384,056.57/529,829.29 = 366,268.97/x
  3. Step 3: Cross multiply
    384,056.57x = 529,829.29 × 366,268.97
  4. Step 4: Simplify right side
    384,056.57x = 194,060,028,324.13
  5. Step 5: Solve for x
    x = 194,060,028,324.13/384,056.57
  6. Step 6: Final answer
    x = 505,290.22

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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.