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Finding the Fourth Proportional to 364,613.30, 546,919.95 and 164,940.20

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Solution

The fourth proportional to 364,613.30, 546,919.95 and 164,940.20 is: 247,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,613.30 : 546,919.95 = 164,940.20 : x
  2. Step 2: Convert to fraction form
    364,613.30/546,919.95 = 164,940.20/x
  3. Step 3: Cross multiply
    364,613.30x = 546,919.95 × 164,940.20
  4. Step 4: Simplify right side
    364,613.30x = 90,209,085,936.99
  5. Step 5: Solve for x
    x = 90,209,085,936.99/364,613.30
  6. Step 6: Final answer
    x = 247,410.30

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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.