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Finding the Fourth Proportional to 370,012.95, 510,619.41 and 200,247.06

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Solution

The fourth proportional to 370,012.95, 510,619.41 and 200,247.06 is: 276,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,012.95 : 510,619.41 = 200,247.06 : x
  2. Step 2: Convert to fraction form
    370,012.95/510,619.41 = 200,247.06/x
  3. Step 3: Cross multiply
    370,012.95x = 510,619.41 × 200,247.06
  4. Step 4: Simplify right side
    370,012.95x = 102,250,035,631.44
  5. Step 5: Solve for x
    x = 102,250,035,631.44/370,012.95
  6. Step 6: Final answer
    x = 276,341.78

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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.