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Finding the Fourth Proportional to 358,063.87, 494,118.27 and 196,918.91

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Solution

The fourth proportional to 358,063.87, 494,118.27 and 196,918.91 is: 271,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,063.87 : 494,118.27 = 196,918.91 : x
  2. Step 2: Convert to fraction form
    358,063.87/494,118.27 = 196,918.91/x
  3. Step 3: Cross multiply
    358,063.87x = 494,118.27 × 196,918.91
  4. Step 4: Simplify right side
    358,063.87x = 97,301,232,374.78
  5. Step 5: Solve for x
    x = 97,301,232,374.78/358,063.87
  6. Step 6: Final answer
    x = 271,742.67

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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.