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Finding the Fourth Proportional to 411,841.38, 568,336.76 and 230,554.80

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Solution

The fourth proportional to 411,841.38, 568,336.76 and 230,554.80 is: 318,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,841.38 : 568,336.76 = 230,554.80 : x
  2. Step 2: Convert to fraction form
    411,841.38/568,336.76 = 230,554.80/x
  3. Step 3: Cross multiply
    411,841.38x = 568,336.76 × 230,554.80
  4. Step 4: Simplify right side
    411,841.38x = 131,032,768,034.45
  5. Step 5: Solve for x
    x = 131,032,768,034.45/411,841.38
  6. Step 6: Final answer
    x = 318,163.19

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Double scale
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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.