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Finding the Fourth Proportional to 627,457.66, 941,303.13 and 206,750.14

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Solution

The fourth proportional to 627,457.66, 941,303.13 and 206,750.14 is: 310,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,457.66 : 941,303.13 = 206,750.14 : x
  2. Step 2: Convert to fraction form
    627,457.66/941,303.13 = 206,750.14/x
  3. Step 3: Cross multiply
    627,457.66x = 941,303.13 × 206,750.14
  4. Step 4: Simplify right side
    627,457.66x = 194,614,553,909.94
  5. Step 5: Solve for x
    x = 194,614,553,909.94/627,457.66
  6. Step 6: Final answer
    x = 310,163.64

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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.