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Finding the Fourth Proportional to 350,509.73, 525,764.62 and 200,644.45

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Solution

The fourth proportional to 350,509.73, 525,764.62 and 200,644.45 is: 300,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,509.73 : 525,764.62 = 200,644.45 : x
  2. Step 2: Convert to fraction form
    350,509.73/525,764.62 = 200,644.45/x
  3. Step 3: Cross multiply
    350,509.73x = 525,764.62 × 200,644.45
  4. Step 4: Simplify right side
    350,509.73x = 105,491,755,642.54
  5. Step 5: Solve for x
    x = 105,491,755,642.54/350,509.73
  6. Step 6: Final answer
    x = 300,966.70

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1.5x scale

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.