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Finding the Fourth Proportional to 381,336.63, 526,491.06 and 236,296.32

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Solution

The fourth proportional to 381,336.63, 526,491.06 and 236,296.32 is: 326,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,336.63 : 526,491.06 = 236,296.32 : x
  2. Step 2: Convert to fraction form
    381,336.63/526,491.06 = 236,296.32/x
  3. Step 3: Cross multiply
    381,336.63x = 526,491.06 × 236,296.32
  4. Step 4: Simplify right side
    381,336.63x = 124,407,897,130.45
  5. Step 5: Solve for x
    x = 124,407,897,130.45/381,336.63
  6. Step 6: Final answer
    x = 326,241.67

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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.