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Finding the Fourth Proportional to 525,649.40, 788,474.10 and 226,273.40

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Solution

The fourth proportional to 525,649.40, 788,474.10 and 226,273.40 is: 339,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,649.40 : 788,474.10 = 226,273.40 : x
  2. Step 2: Convert to fraction form
    525,649.40/788,474.10 = 226,273.40/x
  3. Step 3: Cross multiply
    525,649.40x = 788,474.10 × 226,273.40
  4. Step 4: Simplify right side
    525,649.40x = 178,410,715,418.94
  5. Step 5: Solve for x
    x = 178,410,715,418.94/525,649.40
  6. Step 6: Final answer
    x = 339,410.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.