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Finding the Fourth Proportional to 369,673.50, 510,149.64 and 199,907.62

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Solution

The fourth proportional to 369,673.50, 510,149.64 and 199,907.62 is: 275,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,673.50 : 510,149.64 = 199,907.62 : x
  2. Step 2: Convert to fraction form
    369,673.50/510,149.64 = 199,907.62/x
  3. Step 3: Cross multiply
    369,673.50x = 510,149.64 × 199,907.62
  4. Step 4: Simplify right side
    369,673.50x = 101,982,800,376.26
  5. Step 5: Solve for x
    x = 101,982,800,376.26/369,673.50
  6. Step 6: Final answer
    x = 275,872.63

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1.5x scale

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.