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Finding the Fourth Proportional to 270,732.76, 373,384.56 and 202,908.94

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Solution

The fourth proportional to 270,732.76, 373,384.56 and 202,908.94 is: 279,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,732.76 : 373,384.56 = 202,908.94 : x
  2. Step 2: Convert to fraction form
    270,732.76/373,384.56 = 202,908.94/x
  3. Step 3: Cross multiply
    270,732.76x = 373,384.56 × 202,908.94
  4. Step 4: Simplify right side
    270,732.76x = 75,763,065,281.97
  5. Step 5: Solve for x
    x = 75,763,065,281.97/270,732.76
  6. Step 6: Final answer
    x = 279,844.47

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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.