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Finding the Fourth Proportional to 358,065.58, 494,120.60 and 196,920.60

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Solution

The fourth proportional to 358,065.58, 494,120.60 and 196,920.60 is: 271,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,065.58 : 494,120.60 = 196,920.60 : x
  2. Step 2: Convert to fraction form
    358,065.58/494,120.60 = 196,920.60/x
  3. Step 3: Cross multiply
    358,065.58x = 494,120.60 × 196,920.60
  4. Step 4: Simplify right side
    358,065.58x = 97,302,525,024.36
  5. Step 5: Solve for x
    x = 97,302,525,024.36/358,065.58
  6. Step 6: Final answer
    x = 271,744.98

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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.