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Finding the Fourth Proportional to 270,056.60, 404,307.30 and 165,080.60

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Solution

The fourth proportional to 270,056.60, 404,307.30 and 165,080.60 is: 247,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,056.60 : 404,307.30 = 165,080.60 : x
  2. Step 2: Convert to fraction form
    270,056.60/404,307.30 = 165,080.60/x
  3. Step 3: Cross multiply
    270,056.60x = 404,307.30 × 165,080.60
  4. Step 4: Simplify right side
    270,056.60x = 66,743,291,668.38
  5. Step 5: Solve for x
    x = 66,743,291,668.38/270,056.60
  6. Step 6: Final answer
    x = 247,145.57

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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.