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Finding the Fourth Proportional to 418,573.68, 627,846.48 and 181,916.34

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Solution

The fourth proportional to 418,573.68, 627,846.48 and 181,916.34 is: 272,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,573.68 : 627,846.48 = 181,916.34 : x
  2. Step 2: Convert to fraction form
    418,573.68/627,846.48 = 181,916.34/x
  3. Step 3: Cross multiply
    418,573.68x = 627,846.48 × 181,916.34
  4. Step 4: Simplify right side
    418,573.68x = 114,215,533,723.48
  5. Step 5: Solve for x
    x = 114,215,533,723.48/418,573.68
  6. Step 6: Final answer
    x = 272,868.41

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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.