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Finding the Fourth Proportional to 308,867.12, 463,600.29 and 149,055.53

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Solution

The fourth proportional to 308,867.12, 463,600.29 and 149,055.53 is: 223,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,867.12 : 463,600.29 = 149,055.53 : x
  2. Step 2: Convert to fraction form
    308,867.12/463,600.29 = 149,055.53/x
  3. Step 3: Cross multiply
    308,867.12x = 463,600.29 × 149,055.53
  4. Step 4: Simplify right side
    308,867.12x = 69,102,184,877.98
  5. Step 5: Solve for x
    x = 69,102,184,877.98/308,867.12
  6. Step 6: Final answer
    x = 223,727.88

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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.