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Finding the Fourth Proportional to 366,141.61, 505,232.22 and 211,091.16

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Solution

The fourth proportional to 366,141.61, 505,232.22 and 211,091.16 is: 291,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,141.61 : 505,232.22 = 211,091.16 : x
  2. Step 2: Convert to fraction form
    366,141.61/505,232.22 = 211,091.16/x
  3. Step 3: Cross multiply
    366,141.61x = 505,232.22 × 211,091.16
  4. Step 4: Simplify right side
    366,141.61x = 106,650,054,333.72
  5. Step 5: Solve for x
    x = 106,650,054,333.72/366,141.61
  6. Step 6: Final answer
    x = 291,280.89

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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.