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Finding the Fourth Proportional to 448,004.28, 618,265.26 and 254,408.08

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Solution

The fourth proportional to 448,004.28, 618,265.26 and 254,408.08 is: 351,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,004.28 : 618,265.26 = 254,408.08 : x
  2. Step 2: Convert to fraction form
    448,004.28/618,265.26 = 254,408.08/x
  3. Step 3: Cross multiply
    448,004.28x = 618,265.26 × 254,408.08
  4. Step 4: Simplify right side
    448,004.28x = 157,291,677,727.30
  5. Step 5: Solve for x
    x = 157,291,677,727.30/448,004.28
  6. Step 6: Final answer
    x = 351,094.14

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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.