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Finding the Fourth Proportional to 336,361.63, 464,062.61 and 215,569.51

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Solution

The fourth proportional to 336,361.63, 464,062.61 and 215,569.51 is: 297,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,361.63 : 464,062.61 = 215,569.51 : x
  2. Step 2: Convert to fraction form
    336,361.63/464,062.61 = 215,569.51/x
  3. Step 3: Cross multiply
    336,361.63x = 464,062.61 × 215,569.51
  4. Step 4: Simplify right side
    336,361.63x = 100,037,750,573.01
  5. Step 5: Solve for x
    x = 100,037,750,573.01/336,361.63
  6. Step 6: Final answer
    x = 297,411.31

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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.