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Finding the Fourth Proportional to 290,564.44, 400,836.54 and 183,082.84

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Solution

The fourth proportional to 290,564.44, 400,836.54 and 183,082.84 is: 252,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,564.44 : 400,836.54 = 183,082.84 : x
  2. Step 2: Convert to fraction form
    290,564.44/400,836.54 = 183,082.84/x
  3. Step 3: Cross multiply
    290,564.44x = 400,836.54 × 183,082.84
  4. Step 4: Simplify right side
    290,564.44x = 73,386,292,118.97
  5. Step 5: Solve for x
    x = 73,386,292,118.97/290,564.44
  6. Step 6: Final answer
    x = 252,564.60

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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.