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Finding the Fourth Proportional to 308,577.72, 462,700.26 and 166,499.16

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Solution

The fourth proportional to 308,577.72, 462,700.26 and 166,499.16 is: 249,659.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,577.72 : 462,700.26 = 166,499.16 : x
  2. Step 2: Convert to fraction form
    308,577.72/462,700.26 = 166,499.16/x
  3. Step 3: Cross multiply
    308,577.72x = 462,700.26 × 166,499.16
  4. Step 4: Simplify right side
    308,577.72x = 77,039,204,621.78
  5. Step 5: Solve for x
    x = 77,039,204,621.78/308,577.72
  6. Step 6: Final answer
    x = 249,659.00

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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.