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Finding the Fourth Proportional to 550,189.60, 824,506.80 and 339,200.80

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Solution

The fourth proportional to 550,189.60, 824,506.80 and 339,200.80 is: 508,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,189.60 : 824,506.80 = 339,200.80 : x
  2. Step 2: Convert to fraction form
    550,189.60/824,506.80 = 339,200.80/x
  3. Step 3: Cross multiply
    550,189.60x = 824,506.80 × 339,200.80
  4. Step 4: Simplify right side
    550,189.60x = 279,673,366,165.44
  5. Step 5: Solve for x
    x = 279,673,366,165.44/550,189.60
  6. Step 6: Final answer
    x = 508,321.80

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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.