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Finding the Fourth Proportional to 304,694.81, 457,041.65 and 91,462.51

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Solution

The fourth proportional to 304,694.81, 457,041.65 and 91,462.51 is: 137,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,694.81 : 457,041.65 = 91,462.51 : x
  2. Step 2: Convert to fraction form
    304,694.81/457,041.65 = 91,462.51/x
  3. Step 3: Cross multiply
    304,694.81x = 457,041.65 × 91,462.51
  4. Step 4: Simplify right side
    304,694.81x = 41,802,175,569.59
  5. Step 5: Solve for x
    x = 41,802,175,569.59/304,694.81
  6. Step 6: Final answer
    x = 137,193.59

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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.