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Finding the Fourth Proportional to 895,793.56, 1,343,879.88 and 296,720.80

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Solution

The fourth proportional to 895,793.56, 1,343,879.88 and 296,720.80 is: 445,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,793.56 : 1,343,879.88 = 296,720.80 : x
  2. Step 2: Convert to fraction form
    895,793.56/1,343,879.88 = 296,720.80/x
  3. Step 3: Cross multiply
    895,793.56x = 1,343,879.88 × 296,720.80
  4. Step 4: Simplify right side
    895,793.56x = 398,757,113,097.50
  5. Step 5: Solve for x
    x = 398,757,113,097.50/895,793.56
  6. Step 6: Final answer
    x = 445,143.98

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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.