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Finding the Fourth Proportional to 448,375.70, 618,824.41 and 295,389.59

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Solution

The fourth proportional to 448,375.70, 618,824.41 and 295,389.59 is: 407,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,375.70 : 618,824.41 = 295,389.59 : x
  2. Step 2: Convert to fraction form
    448,375.70/618,824.41 = 295,389.59/x
  3. Step 3: Cross multiply
    448,375.70x = 618,824.41 × 295,389.59
  4. Step 4: Simplify right side
    448,375.70x = 182,794,284,919.30
  5. Step 5: Solve for x
    x = 182,794,284,919.30/448,375.70
  6. Step 6: Final answer
    x = 407,681.07

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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.