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Finding the Fourth Proportional to 336,242.25, 463,751.81 and 215,394.77

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Solution

The fourth proportional to 336,242.25, 463,751.81 and 215,394.77 is: 297,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,242.25 : 463,751.81 = 215,394.77 : x
  2. Step 2: Convert to fraction form
    336,242.25/463,751.81 = 215,394.77/x
  3. Step 3: Cross multiply
    336,242.25x = 463,751.81 × 215,394.77
  4. Step 4: Simplify right side
    336,242.25x = 99,889,714,534.44
  5. Step 5: Solve for x
    x = 99,889,714,534.44/336,242.25
  6. Step 6: Final answer
    x = 297,076.63

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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.