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Finding the Fourth Proportional to 609,169.14, 840,741.39 and 350,996.64

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Solution

The fourth proportional to 609,169.14, 840,741.39 and 350,996.64 is: 484,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,169.14 : 840,741.39 = 350,996.64 : x
  2. Step 2: Convert to fraction form
    609,169.14/840,741.39 = 350,996.64/x
  3. Step 3: Cross multiply
    609,169.14x = 840,741.39 × 350,996.64
  4. Step 4: Simplify right side
    609,169.14x = 295,097,403,094.55
  5. Step 5: Solve for x
    x = 295,097,403,094.55/609,169.14
  6. Step 6: Final answer
    x = 484,426.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.