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Finding the Fourth Proportional to 267,303.71, 399,847.48 and 203,642.16

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Solution

The fourth proportional to 267,303.71, 399,847.48 and 203,642.16 is: 304,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,303.71 : 399,847.48 = 203,642.16 : x
  2. Step 2: Convert to fraction form
    267,303.71/399,847.48 = 203,642.16/x
  3. Step 3: Cross multiply
    267,303.71x = 399,847.48 × 203,642.16
  4. Step 4: Simplify right side
    267,303.71x = 81,425,803,988.65
  5. Step 5: Solve for x
    x = 81,425,803,988.65/267,303.71
  6. Step 6: Final answer
    x = 304,619.06

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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.