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Finding the Fourth Proportional to 300,992.72, 415,285.92 and 237,132.32

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Solution

The fourth proportional to 300,992.72, 415,285.92 and 237,132.32 is: 327,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,992.72 : 415,285.92 = 237,132.32 : x
  2. Step 2: Convert to fraction form
    300,992.72/415,285.92 = 237,132.32/x
  3. Step 3: Cross multiply
    300,992.72x = 415,285.92 × 237,132.32
  4. Step 4: Simplify right side
    300,992.72x = 98,477,713,672.93
  5. Step 5: Solve for x
    x = 98,477,713,672.93/300,992.72
  6. Step 6: Final answer
    x = 327,176.40

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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.