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Finding the Fourth Proportional to 248,844.30, 373,266.45 and 186,636.30

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Solution

The fourth proportional to 248,844.30, 373,266.45 and 186,636.30 is: 279,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,844.30 : 373,266.45 = 186,636.30 : x
  2. Step 2: Convert to fraction form
    248,844.30/373,266.45 = 186,636.30/x
  3. Step 3: Cross multiply
    248,844.30x = 373,266.45 × 186,636.30
  4. Step 4: Simplify right side
    248,844.30x = 69,665,069,142.14
  5. Step 5: Solve for x
    x = 69,665,069,142.14/248,844.30
  6. Step 6: Final answer
    x = 279,954.45

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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.