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Finding the Fourth Proportional to 688,930.23, 950,841.44 and 443,846.10

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Solution

The fourth proportional to 688,930.23, 950,841.44 and 443,846.10 is: 612,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,930.23 : 950,841.44 = 443,846.10 : x
  2. Step 2: Convert to fraction form
    688,930.23/950,841.44 = 443,846.10/x
  3. Step 3: Cross multiply
    688,930.23x = 950,841.44 × 443,846.10
  4. Step 4: Simplify right side
    688,930.23x = 422,027,264,862.38
  5. Step 5: Solve for x
    x = 422,027,264,862.38/688,930.23
  6. Step 6: Final answer
    x = 612,583.46

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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.