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Finding the Fourth Proportional to 348,181.72, 480,637.74 and 235,157.56

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Solution

The fourth proportional to 348,181.72, 480,637.74 and 235,157.56 is: 324,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,181.72 : 480,637.74 = 235,157.56 : x
  2. Step 2: Convert to fraction form
    348,181.72/480,637.74 = 235,157.56/x
  3. Step 3: Cross multiply
    348,181.72x = 480,637.74 × 235,157.56
  4. Step 4: Simplify right side
    348,181.72x = 113,025,598,182.31
  5. Step 5: Solve for x
    x = 113,025,598,182.31/348,181.72
  6. Step 6: Final answer
    x = 324,616.69

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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.