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Finding the Fourth Proportional to 465,986.51, 699,126.58 and 166,460.46

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Solution

The fourth proportional to 465,986.51, 699,126.58 and 166,460.46 is: 249,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,986.51 : 699,126.58 = 166,460.46 : x
  2. Step 2: Convert to fraction form
    465,986.51/699,126.58 = 166,460.46/x
  3. Step 3: Cross multiply
    465,986.51x = 699,126.58 × 166,460.46
  4. Step 4: Simplify right side
    465,986.51x = 116,376,928,609.39
  5. Step 5: Solve for x
    x = 116,376,928,609.39/465,986.51
  6. Step 6: Final answer
    x = 249,743.13

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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.