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Finding the Fourth Proportional to 334,128, 460,908 and 198,028.26

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Solution

The fourth proportional to 334,128, 460,908 and 198,028.26 is: 273,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,128 : 460,908 = 198,028.26 : x
  2. Step 2: Convert to fraction form
    334,128/460,908 = 198,028.26/x
  3. Step 3: Cross multiply
    334,128x = 460,908 × 198,028.26
  4. Step 4: Simplify right side
    334,128x = 91,272,809,260.08
  5. Step 5: Solve for x
    x = 91,272,809,260.08/334,128
  6. Step 6: Final answer
    x = 273,167.20

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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.