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Finding the Fourth Proportional to 366,487.52, 505,742.24 and 213,559.52

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Solution

The fourth proportional to 366,487.52, 505,742.24 and 213,559.52 is: 294,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,487.52 : 505,742.24 = 213,559.52 : x
  2. Step 2: Convert to fraction form
    366,487.52/505,742.24 = 213,559.52/x
  3. Step 3: Cross multiply
    366,487.52x = 505,742.24 × 213,559.52
  4. Step 4: Simplify right side
    366,487.52x = 108,006,070,018.13
  5. Step 5: Solve for x
    x = 108,006,070,018.13/366,487.52
  6. Step 6: Final answer
    x = 294,706.00

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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.