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Finding the Fourth Proportional to 304,060.42, 419,639.88 and 176,736.04

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Solution

The fourth proportional to 304,060.42, 419,639.88 and 176,736.04 is: 243,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,060.42 : 419,639.88 = 176,736.04 : x
  2. Step 2: Convert to fraction form
    304,060.42/419,639.88 = 176,736.04/x
  3. Step 3: Cross multiply
    304,060.42x = 419,639.88 × 176,736.04
  4. Step 4: Simplify right side
    304,060.42x = 74,165,490,617.28
  5. Step 5: Solve for x
    x = 74,165,490,617.28/304,060.42
  6. Step 6: Final answer
    x = 243,916.95

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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.