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Finding the Fourth Proportional to 493,273.40, 739,108.20 and 446,034.20

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Solution

The fourth proportional to 493,273.40, 739,108.20 and 446,034.20 is: 668,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,273.40 : 739,108.20 = 446,034.20 : x
  2. Step 2: Convert to fraction form
    493,273.40/739,108.20 = 446,034.20/x
  3. Step 3: Cross multiply
    493,273.40x = 739,108.20 × 446,034.20
  4. Step 4: Simplify right side
    493,273.40x = 329,667,534,700.44
  5. Step 5: Solve for x
    x = 329,667,534,700.44/493,273.40
  6. Step 6: Final answer
    x = 668,326.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.