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Finding the Fourth Proportional to 538,020.93, 806,730.06 and 249,523.23

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Solution

The fourth proportional to 538,020.93, 806,730.06 and 249,523.23 is: 374,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,020.93 : 806,730.06 = 249,523.23 : x
  2. Step 2: Convert to fraction form
    538,020.93/806,730.06 = 249,523.23/x
  3. Step 3: Cross multiply
    538,020.93x = 806,730.06 × 249,523.23
  4. Step 4: Simplify right side
    538,020.93x = 201,297,890,309.29
  5. Step 5: Solve for x
    x = 201,297,890,309.29/538,020.93
  6. Step 6: Final answer
    x = 374,145.09

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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.