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Finding the Fourth Proportional to 658,559.16, 987,843.60 and 185,292.36

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Solution

The fourth proportional to 658,559.16, 987,843.60 and 185,292.36 is: 277,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,559.16 : 987,843.60 = 185,292.36 : x
  2. Step 2: Convert to fraction form
    658,559.16/987,843.60 = 185,292.36/x
  3. Step 3: Cross multiply
    658,559.16x = 987,843.60 × 185,292.36
  4. Step 4: Simplify right side
    658,559.16x = 183,039,871,954.90
  5. Step 5: Solve for x
    x = 183,039,871,954.90/658,559.16
  6. Step 6: Final answer
    x = 277,939.91

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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.