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Finding the Fourth Proportional to 461,373.57, 636,297.93 and 300,169.80

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Solution

The fourth proportional to 461,373.57, 636,297.93 and 300,169.80 is: 413,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,373.57 : 636,297.93 = 300,169.80 : x
  2. Step 2: Convert to fraction form
    461,373.57/636,297.93 = 300,169.80/x
  3. Step 3: Cross multiply
    461,373.57x = 636,297.93 × 300,169.80
  4. Step 4: Simplify right side
    461,373.57x = 190,997,422,388.51
  5. Step 5: Solve for x
    x = 190,997,422,388.51/461,373.57
  6. Step 6: Final answer
    x = 413,975.65

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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.