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Finding the Fourth Proportional to 448,348.10, 618,711.93 and 244,400.90

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Solution

The fourth proportional to 448,348.10, 618,711.93 and 244,400.90 is: 337,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,348.10 : 618,711.93 = 244,400.90 : x
  2. Step 2: Convert to fraction form
    448,348.10/618,711.93 = 244,400.90/x
  3. Step 3: Cross multiply
    448,348.10x = 618,711.93 × 244,400.90
  4. Step 4: Simplify right side
    448,348.10x = 151,213,752,532.74
  5. Step 5: Solve for x
    x = 151,213,752,532.74/448,348.10
  6. Step 6: Final answer
    x = 337,268.64

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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.