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Finding the Fourth Proportional to 243,463.02, 336,072.60 and 217,924.26

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Solution

The fourth proportional to 243,463.02, 336,072.60 and 217,924.26 is: 300,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,463.02 : 336,072.60 = 217,924.26 : x
  2. Step 2: Convert to fraction form
    243,463.02/336,072.60 = 217,924.26/x
  3. Step 3: Cross multiply
    243,463.02x = 336,072.60 × 217,924.26
  4. Step 4: Simplify right side
    243,463.02x = 73,238,372,661.28
  5. Step 5: Solve for x
    x = 73,238,372,661.28/243,463.02
  6. Step 6: Final answer
    x = 300,819.29

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1.5x scale

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.