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Finding the Fourth Proportional to 560,949.44, 774,210 and 331,496.96

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Solution

The fourth proportional to 560,949.44, 774,210 and 331,496.96 is: 457,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,949.44 : 774,210 = 331,496.96 : x
  2. Step 2: Convert to fraction form
    560,949.44/774,210 = 331,496.96/x
  3. Step 3: Cross multiply
    560,949.44x = 774,210 × 331,496.96
  4. Step 4: Simplify right side
    560,949.44x = 256,648,261,401.60
  5. Step 5: Solve for x
    x = 256,648,261,401.60/560,949.44
  6. Step 6: Final answer
    x = 457,524.77

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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.