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Finding the Fourth Proportional to 448,450.58, 618,838.33 and 254,832.38

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Solution

The fourth proportional to 448,450.58, 618,838.33 and 254,832.38 is: 351,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,450.58 : 618,838.33 = 254,832.38 : x
  2. Step 2: Convert to fraction form
    448,450.58/618,838.33 = 254,832.38/x
  3. Step 3: Cross multiply
    448,450.58x = 618,838.33 × 254,832.38
  4. Step 4: Simplify right side
    448,450.58x = 157,700,043,536.31
  5. Step 5: Solve for x
    x = 157,700,043,536.31/448,450.58
  6. Step 6: Final answer
    x = 351,655.35

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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.