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Finding the Fourth Proportional to 381,400.92, 526,114.44 and 237,911.76

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Solution

The fourth proportional to 381,400.92, 526,114.44 and 237,911.76 is: 328,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,400.92 : 526,114.44 = 237,911.76 : x
  2. Step 2: Convert to fraction form
    381,400.92/526,114.44 = 237,911.76/x
  3. Step 3: Cross multiply
    381,400.92x = 526,114.44 × 237,911.76
  4. Step 4: Simplify right side
    381,400.92x = 125,168,812,381.81
  5. Step 5: Solve for x
    x = 125,168,812,381.81/381,400.92
  6. Step 6: Final answer
    x = 328,181.73

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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.