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Finding the Fourth Proportional to 753,876, 1,040,348.88 and 414,344.25

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Solution

The fourth proportional to 753,876, 1,040,348.88 and 414,344.25 is: 571,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,876 : 1,040,348.88 = 414,344.25 : x
  2. Step 2: Convert to fraction form
    753,876/1,040,348.88 = 414,344.25/x
  3. Step 3: Cross multiply
    753,876x = 1,040,348.88 × 414,344.25
  4. Step 4: Simplify right side
    753,876x = 431,062,576,421.94
  5. Step 5: Solve for x
    x = 431,062,576,421.94/753,876
  6. Step 6: Final answer
    x = 571,795.07

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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.