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Finding the Fourth Proportional to 448,350.60, 618,715.38 and 244,403.40

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Solution

The fourth proportional to 448,350.60, 618,715.38 and 244,403.40 is: 337,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,350.60 : 618,715.38 = 244,403.40 : x
  2. Step 2: Convert to fraction form
    448,350.60/618,715.38 = 244,403.40/x
  3. Step 3: Cross multiply
    448,350.60x = 618,715.38 × 244,403.40
  4. Step 4: Simplify right side
    448,350.60x = 151,216,142,504.29
  5. Step 5: Solve for x
    x = 151,216,142,504.29/448,350.60
  6. Step 6: Final answer
    x = 337,272.09

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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.