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Finding the Fourth Proportional to 448,157.13, 618,448.77 and 244,209.78

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Solution

The fourth proportional to 448,157.13, 618,448.77 and 244,209.78 is: 337,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,157.13 : 618,448.77 = 244,209.78 : x
  2. Step 2: Convert to fraction form
    448,157.13/618,448.77 = 244,209.78/x
  3. Step 3: Cross multiply
    448,157.13x = 618,448.77 × 244,209.78
  4. Step 4: Simplify right side
    448,157.13x = 151,031,238,062.97
  5. Step 5: Solve for x
    x = 151,031,238,062.97/448,157.13
  6. Step 6: Final answer
    x = 337,005.10

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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.