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Finding the Fourth Proportional to 366,720.60, 550,080.90 and 189,573.60

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Solution

The fourth proportional to 366,720.60, 550,080.90 and 189,573.60 is: 284,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,720.60 : 550,080.90 = 189,573.60 : x
  2. Step 2: Convert to fraction form
    366,720.60/550,080.90 = 189,573.60/x
  3. Step 3: Cross multiply
    366,720.60x = 550,080.90 × 189,573.60
  4. Step 4: Simplify right side
    366,720.60x = 104,280,816,504.24
  5. Step 5: Solve for x
    x = 104,280,816,504.24/366,720.60
  6. Step 6: Final answer
    x = 284,360.40

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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.