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Finding the Fourth Proportional to 446,756.90, 670,467.60 and 180,519.71

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Solution

The fourth proportional to 446,756.90, 670,467.60 and 180,519.71 is: 270,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,756.90 : 670,467.60 = 180,519.71 : x
  2. Step 2: Convert to fraction form
    446,756.90/670,467.60 = 180,519.71/x
  3. Step 3: Cross multiply
    446,756.90x = 670,467.60 × 180,519.71
  4. Step 4: Simplify right side
    446,756.90x = 121,032,613,364.06
  5. Step 5: Solve for x
    x = 121,032,613,364.06/446,756.90
  6. Step 6: Final answer
    x = 270,913.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.