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Finding the Fourth Proportional to 580,851.40, 814,021.40 and 580,851.40

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Solution

The fourth proportional to 580,851.40, 814,021.40 and 580,851.40 is: 814,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,851.40 : 814,021.40 = 580,851.40 : x
  2. Step 2: Convert to fraction form
    580,851.40/814,021.40 = 580,851.40/x
  3. Step 3: Cross multiply
    580,851.40x = 814,021.40 × 580,851.40
  4. Step 4: Simplify right side
    580,851.40x = 472,825,469,819.96
  5. Step 5: Solve for x
    x = 472,825,469,819.96/580,851.40
  6. Step 6: Final answer
    x = 814,021.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.