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Finding the Fourth Proportional to 446,810.80, 670,216.20 and 313,841.20

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Solution

The fourth proportional to 446,810.80, 670,216.20 and 313,841.20 is: 470,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,810.80 : 670,216.20 = 313,841.20 : x
  2. Step 2: Convert to fraction form
    446,810.80/670,216.20 = 313,841.20/x
  3. Step 3: Cross multiply
    446,810.80x = 670,216.20 × 313,841.20
  4. Step 4: Simplify right side
    446,810.80x = 210,341,456,467.44
  5. Step 5: Solve for x
    x = 210,341,456,467.44/446,810.80
  6. Step 6: Final answer
    x = 470,761.80

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1.5x scale

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.