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Finding the Fourth Proportional to 448,311.60, 618,661.56 and 244,364.40

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Solution

The fourth proportional to 448,311.60, 618,661.56 and 244,364.40 is: 337,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,311.60 : 618,661.56 = 244,364.40 : x
  2. Step 2: Convert to fraction form
    448,311.60/618,661.56 = 244,364.40/x
  3. Step 3: Cross multiply
    448,311.60x = 618,661.56 × 244,364.40
  4. Step 4: Simplify right side
    448,311.60x = 151,178,860,912.46
  5. Step 5: Solve for x
    x = 151,178,860,912.46/448,311.60
  6. Step 6: Final answer
    x = 337,218.27

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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.