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Finding the Fourth Proportional to 324,056.62, 485,621.57 and 237,992.40

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Solution

The fourth proportional to 324,056.62, 485,621.57 and 237,992.40 is: 356,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,056.62 : 485,621.57 = 237,992.40 : x
  2. Step 2: Convert to fraction form
    324,056.62/485,621.57 = 237,992.40/x
  3. Step 3: Cross multiply
    324,056.62x = 485,621.57 × 237,992.40
  4. Step 4: Simplify right side
    324,056.62x = 115,574,242,936.07
  5. Step 5: Solve for x
    x = 115,574,242,936.07/324,056.62
  6. Step 6: Final answer
    x = 356,648.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.