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Finding the Fourth Proportional to 532,401.36, 734,778.30 and 303,014.42

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Solution

The fourth proportional to 532,401.36, 734,778.30 and 303,014.42 is: 418,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,401.36 : 734,778.30 = 303,014.42 : x
  2. Step 2: Convert to fraction form
    532,401.36/734,778.30 = 303,014.42/x
  3. Step 3: Cross multiply
    532,401.36x = 734,778.30 × 303,014.42
  4. Step 4: Simplify right side
    532,401.36x = 222,648,420,403.09
  5. Step 5: Solve for x
    x = 222,648,420,403.09/532,401.36
  6. Step 6: Final answer
    x = 418,196.57

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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.