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Finding the Fourth Proportional to 304,368.49, 419,949.70 and 181,810.72

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Solution

The fourth proportional to 304,368.49, 419,949.70 and 181,810.72 is: 250,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,368.49 : 419,949.70 = 181,810.72 : x
  2. Step 2: Convert to fraction form
    304,368.49/419,949.70 = 181,810.72/x
  3. Step 3: Cross multiply
    304,368.49x = 419,949.70 × 181,810.72
  4. Step 4: Simplify right side
    304,368.49x = 76,351,355,816.38
  5. Step 5: Solve for x
    x = 76,351,355,816.38/304,368.49
  6. Step 6: Final answer
    x = 250,851.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.