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Finding the Fourth Proportional to 448,338.27, 618,684.24 and 254,720.64

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Solution

The fourth proportional to 448,338.27, 618,684.24 and 254,720.64 is: 351,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,338.27 : 618,684.24 = 254,720.64 : x
  2. Step 2: Convert to fraction form
    448,338.27/618,684.24 = 254,720.64/x
  3. Step 3: Cross multiply
    448,338.27x = 618,684.24 × 254,720.64
  4. Step 4: Simplify right side
    448,338.27x = 157,591,645,570.71
  5. Step 5: Solve for x
    x = 157,591,645,570.71/448,338.27
  6. Step 6: Final answer
    x = 351,501.66

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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.