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Finding the Fourth Proportional to 304,786.70, 457,176.71 and 91,545.39

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Solution

The fourth proportional to 304,786.70, 457,176.71 and 91,545.39 is: 137,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,786.70 : 457,176.71 = 91,545.39 : x
  2. Step 2: Convert to fraction form
    304,786.70/457,176.71 = 91,545.39/x
  3. Step 3: Cross multiply
    304,786.70x = 457,176.71 × 91,545.39
  4. Step 4: Simplify right side
    304,786.70x = 41,852,419,929.79
  5. Step 5: Solve for x
    x = 41,852,419,929.79/304,786.70
  6. Step 6: Final answer
    x = 137,317.08

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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.