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Finding the Fourth Proportional to 446,830.81, 616,621.84 and 332,620.20

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Solution

The fourth proportional to 446,830.81, 616,621.84 and 332,620.20 is: 459,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,830.81 : 616,621.84 = 332,620.20 : x
  2. Step 2: Convert to fraction form
    446,830.81/616,621.84 = 332,620.20/x
  3. Step 3: Cross multiply
    446,830.81x = 616,621.84 × 332,620.20
  4. Step 4: Simplify right side
    446,830.81x = 205,100,878,913.62
  5. Step 5: Solve for x
    x = 205,100,878,913.62/446,830.81
  6. Step 6: Final answer
    x = 459,012.39

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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.