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Finding the Fourth Proportional to 568,094.75, 783,995.78 and 326,453.12

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Solution

The fourth proportional to 568,094.75, 783,995.78 and 326,453.12 is: 450,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,094.75 : 783,995.78 = 326,453.12 : x
  2. Step 2: Convert to fraction form
    568,094.75/783,995.78 = 326,453.12/x
  3. Step 3: Cross multiply
    568,094.75x = 783,995.78 × 326,453.12
  4. Step 4: Simplify right side
    568,094.75x = 255,937,868,447.83
  5. Step 5: Solve for x
    x = 255,937,868,447.83/568,094.75
  6. Step 6: Final answer
    x = 450,519.69

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Double scale
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Similar ratio
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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.