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Finding the Fourth Proportional to 304,815.27, 455,368.97 and 197,323.54

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Solution

The fourth proportional to 304,815.27, 455,368.97 and 197,323.54 is: 294,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,815.27 : 455,368.97 = 197,323.54 : x
  2. Step 2: Convert to fraction form
    304,815.27/455,368.97 = 197,323.54/x
  3. Step 3: Cross multiply
    304,815.27x = 455,368.97 × 197,323.54
  4. Step 4: Simplify right side
    304,815.27x = 89,855,015,852.61
  5. Step 5: Solve for x
    x = 89,855,015,852.61/304,815.27
  6. Step 6: Final answer
    x = 294,785.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.