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Finding the Fourth Proportional to 448,278.65, 618,620.60 and 244,329.58

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Solution

The fourth proportional to 448,278.65, 618,620.60 and 244,329.58 is: 337,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,278.65 : 618,620.60 = 244,329.58 : x
  2. Step 2: Convert to fraction form
    448,278.65/618,620.60 = 244,329.58/x
  3. Step 3: Cross multiply
    448,278.65x = 618,620.60 × 244,329.58
  4. Step 4: Simplify right side
    448,278.65x = 151,147,307,062.60
  5. Step 5: Solve for x
    x = 151,147,307,062.60/448,278.65
  6. Step 6: Final answer
    x = 337,172.67

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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.