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Finding the Fourth Proportional to 417,187.59, 624,231.32 and 248,799.53

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Solution

The fourth proportional to 417,187.59, 624,231.32 and 248,799.53 is: 372,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,187.59 : 624,231.32 = 248,799.53 : x
  2. Step 2: Convert to fraction form
    417,187.59/624,231.32 = 248,799.53/x
  3. Step 3: Cross multiply
    417,187.59x = 624,231.32 × 248,799.53
  4. Step 4: Simplify right side
    417,187.59x = 155,308,454,662.13
  5. Step 5: Solve for x
    x = 155,308,454,662.13/417,187.59
  6. Step 6: Final answer
    x = 372,274.87

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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.