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Finding the Fourth Proportional to 370,083.47, 555,013.45 and 192,493.60

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Solution

The fourth proportional to 370,083.47, 555,013.45 and 192,493.60 is: 288,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,083.47 : 555,013.45 = 192,493.60 : x
  2. Step 2: Convert to fraction form
    370,083.47/555,013.45 = 192,493.60/x
  3. Step 3: Cross multiply
    370,083.47x = 555,013.45 × 192,493.60
  4. Step 4: Simplify right side
    370,083.47x = 106,836,535,892.00
  5. Step 5: Solve for x
    x = 106,836,535,892.00/370,083.47
  6. Step 6: Final answer
    x = 288,682.27

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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.