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Finding the Fourth Proportional to 606,913.60, 911,119.20 and 382,273.60

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Solution

The fourth proportional to 606,913.60, 911,119.20 and 382,273.60 is: 573,882.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,913.60 : 911,119.20 = 382,273.60 : x
  2. Step 2: Convert to fraction form
    606,913.60/911,119.20 = 382,273.60/x
  3. Step 3: Cross multiply
    606,913.60x = 911,119.20 × 382,273.60
  4. Step 4: Simplify right side
    606,913.60x = 348,296,816,613.12
  5. Step 5: Solve for x
    x = 348,296,816,613.12/606,913.60
  6. Step 6: Final answer
    x = 573,882.04

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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.