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Finding the Fourth Proportional to 341,612.20, 512,495.10 and 201,298.60

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Solution

The fourth proportional to 341,612.20, 512,495.10 and 201,298.60 is: 301,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,612.20 : 512,495.10 = 201,298.60 : x
  2. Step 2: Convert to fraction form
    341,612.20/512,495.10 = 201,298.60/x
  3. Step 3: Cross multiply
    341,612.20x = 512,495.10 × 201,298.60
  4. Step 4: Simplify right side
    341,612.20x = 103,164,546,136.86
  5. Step 5: Solve for x
    x = 103,164,546,136.86/341,612.20
  6. Step 6: Final answer
    x = 301,993.16

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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.