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Finding the Fourth Proportional to 396,733, 547,541.46 and 245,852.68

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Solution

The fourth proportional to 396,733, 547,541.46 and 245,852.68 is: 339,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,733 : 547,541.46 = 245,852.68 : x
  2. Step 2: Convert to fraction form
    396,733/547,541.46 = 245,852.68/x
  3. Step 3: Cross multiply
    396,733x = 547,541.46 × 245,852.68
  4. Step 4: Simplify right side
    396,733x = 134,614,535,352.11
  5. Step 5: Solve for x
    x = 134,614,535,352.11/396,733
  6. Step 6: Final answer
    x = 339,307.63

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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.