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Finding the Fourth Proportional to 448,412.80, 618,790.80 and 244,459.36

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Solution

The fourth proportional to 448,412.80, 618,790.80 and 244,459.36 is: 337,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,412.80 : 618,790.80 = 244,459.36 : x
  2. Step 2: Convert to fraction form
    448,412.80/618,790.80 = 244,459.36/x
  3. Step 3: Cross multiply
    448,412.80x = 618,790.80 × 244,459.36
  4. Step 4: Simplify right side
    448,412.80x = 151,269,202,941.89
  5. Step 5: Solve for x
    x = 151,269,202,941.89/448,412.80
  6. Step 6: Final answer
    x = 337,343.63

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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.