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Finding the Fourth Proportional to 332,485.98, 458,841.98 and 196,636.38

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Solution

The fourth proportional to 332,485.98, 458,841.98 and 196,636.38 is: 271,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,485.98 : 458,841.98 = 196,636.38 : x
  2. Step 2: Convert to fraction form
    332,485.98/458,841.98 = 196,636.38/x
  3. Step 3: Cross multiply
    332,485.98x = 458,841.98 × 196,636.38
  4. Step 4: Simplify right side
    332,485.98x = 90,225,024,956.05
  5. Step 5: Solve for x
    x = 90,225,024,956.05/332,485.98
  6. Step 6: Final answer
    x = 271,364.90

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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.