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Finding the Fourth Proportional to 381,382.92, 526,273.63 and 226,307.48

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Solution

The fourth proportional to 381,382.92, 526,273.63 and 226,307.48 is: 312,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,382.92 : 526,273.63 = 226,307.48 : x
  2. Step 2: Convert to fraction form
    381,382.92/526,273.63 = 226,307.48/x
  3. Step 3: Cross multiply
    381,382.92x = 526,273.63 × 226,307.48
  4. Step 4: Simplify right side
    381,382.92x = 119,099,658,995.75
  5. Step 5: Solve for x
    x = 119,099,658,995.75/381,382.92
  6. Step 6: Final answer
    x = 312,283.67

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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.