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Finding the Fourth Proportional to 333,491.07, 500,237.80 and 80,771.74

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Solution

The fourth proportional to 333,491.07, 500,237.80 and 80,771.74 is: 121,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,491.07 : 500,237.80 = 80,771.74 : x
  2. Step 2: Convert to fraction form
    333,491.07/500,237.80 = 80,771.74/x
  3. Step 3: Cross multiply
    333,491.07x = 500,237.80 × 80,771.74
  4. Step 4: Simplify right side
    333,491.07x = 40,405,076,067.25
  5. Step 5: Solve for x
    x = 40,405,076,067.25/333,491.07
  6. Step 6: Final answer
    x = 121,157.89

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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.