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Finding the Fourth Proportional to 304,565.26, 456,951.71 and 91,338.38

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Solution

The fourth proportional to 304,565.26, 456,951.71 and 91,338.38 is: 137,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,565.26 : 456,951.71 = 91,338.38 : x
  2. Step 2: Convert to fraction form
    304,565.26/456,951.71 = 91,338.38/x
  3. Step 3: Cross multiply
    304,565.26x = 456,951.71 × 91,338.38
  4. Step 4: Simplify right side
    304,565.26x = 41,737,228,929.63
  5. Step 5: Solve for x
    x = 41,737,228,929.63/304,565.26
  6. Step 6: Final answer
    x = 137,038.71

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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.