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Finding the Fourth Proportional to 373,555.88, 560,333.82 and 206,140.28

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Solution

The fourth proportional to 373,555.88, 560,333.82 and 206,140.28 is: 309,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,555.88 : 560,333.82 = 206,140.28 : x
  2. Step 2: Convert to fraction form
    373,555.88/560,333.82 = 206,140.28/x
  3. Step 3: Cross multiply
    373,555.88x = 560,333.82 × 206,140.28
  4. Step 4: Simplify right side
    373,555.88x = 115,507,370,548.27
  5. Step 5: Solve for x
    x = 115,507,370,548.27/373,555.88
  6. Step 6: Final answer
    x = 309,210.42

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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.