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Finding the Fourth Proportional to 625,888.23, 863,726.22 and 339,408.24

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Solution

The fourth proportional to 625,888.23, 863,726.22 and 339,408.24 is: 468,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,888.23 : 863,726.22 = 339,408.24 : x
  2. Step 2: Convert to fraction form
    625,888.23/863,726.22 = 339,408.24/x
  3. Step 3: Cross multiply
    625,888.23x = 863,726.22 × 339,408.24
  4. Step 4: Simplify right side
    625,888.23x = 293,155,796,172.05
  5. Step 5: Solve for x
    x = 293,155,796,172.05/625,888.23
  6. Step 6: Final answer
    x = 468,383.62

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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.