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Finding the Fourth Proportional to 586,016.56, 879,172.26 and 270,696.52

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Solution

The fourth proportional to 586,016.56, 879,172.26 and 270,696.52 is: 406,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,016.56 : 879,172.26 = 270,696.52 : x
  2. Step 2: Convert to fraction form
    586,016.56/879,172.26 = 270,696.52/x
  3. Step 3: Cross multiply
    586,016.56x = 879,172.26 × 270,696.52
  4. Step 4: Simplify right side
    586,016.56x = 237,988,871,262.54
  5. Step 5: Solve for x
    x = 237,988,871,262.54/586,016.56
  6. Step 6: Final answer
    x = 406,112.88

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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.