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Finding the Fourth Proportional to 351,415.94, 484,988.73 and 200,535.62

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Solution

The fourth proportional to 351,415.94, 484,988.73 and 200,535.62 is: 276,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,415.94 : 484,988.73 = 200,535.62 : x
  2. Step 2: Convert to fraction form
    351,415.94/484,988.73 = 200,535.62/x
  3. Step 3: Cross multiply
    351,415.94x = 484,988.73 × 200,535.62
  4. Step 4: Simplify right side
    351,415.94x = 97,257,515,663.56
  5. Step 5: Solve for x
    x = 97,257,515,663.56/351,415.94
  6. Step 6: Final answer
    x = 276,758.98

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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.