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Finding the Fourth Proportional to 360,672.90, 540,566.28 and 202,569

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Solution

The fourth proportional to 360,672.90, 540,566.28 and 202,569 is: 303,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,672.90 : 540,566.28 = 202,569 : x
  2. Step 2: Convert to fraction form
    360,672.90/540,566.28 = 202,569/x
  3. Step 3: Cross multiply
    360,672.90x = 540,566.28 × 202,569
  4. Step 4: Simplify right side
    360,672.90x = 109,501,970,773.32
  5. Step 5: Solve for x
    x = 109,501,970,773.32/360,672.90
  6. Step 6: Final answer
    x = 303,604.65

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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.