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Finding the Fourth Proportional to 355,676.01, 490,825.98 and 194,530.56

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Solution

The fourth proportional to 355,676.01, 490,825.98 and 194,530.56 is: 268,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,676.01 : 490,825.98 = 194,530.56 : x
  2. Step 2: Convert to fraction form
    355,676.01/490,825.98 = 194,530.56/x
  3. Step 3: Cross multiply
    355,676.01x = 490,825.98 × 194,530.56
  4. Step 4: Simplify right side
    355,676.01x = 95,480,652,751.95
  5. Step 5: Solve for x
    x = 95,480,652,751.95/355,676.01
  6. Step 6: Final answer
    x = 268,448.39

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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.