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Finding the Fourth Proportional to 448,365.50, 618,732 and 244,420.40

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Solution

The fourth proportional to 448,365.50, 618,732 and 244,420.40 is: 337,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,365.50 : 618,732 = 244,420.40 : x
  2. Step 2: Convert to fraction form
    448,365.50/618,732 = 244,420.40/x
  3. Step 3: Cross multiply
    448,365.50x = 618,732 × 244,420.40
  4. Step 4: Simplify right side
    448,365.50x = 151,230,722,932.80
  5. Step 5: Solve for x
    x = 151,230,722,932.80/448,365.50
  6. Step 6: Final answer
    x = 337,293.40

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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.