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Finding the Fourth Proportional to 418,598.81, 627,883.97 and 181,941.51

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Solution

The fourth proportional to 418,598.81, 627,883.97 and 181,941.51 is: 272,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,598.81 : 627,883.97 = 181,941.51 : x
  2. Step 2: Convert to fraction form
    418,598.81/627,883.97 = 181,941.51/x
  3. Step 3: Cross multiply
    418,598.81x = 627,883.97 × 181,941.51
  4. Step 4: Simplify right side
    418,598.81x = 114,238,156,696.89
  5. Step 5: Solve for x
    x = 114,238,156,696.89/418,598.81
  6. Step 6: Final answer
    x = 272,906.07

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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.