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Finding the Fourth Proportional to 370,348.39, 511,079.17 and 207,004.68

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Solution

The fourth proportional to 370,348.39, 511,079.17 and 207,004.68 is: 285,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,348.39 : 511,079.17 = 207,004.68 : x
  2. Step 2: Convert to fraction form
    370,348.39/511,079.17 = 207,004.68/x
  3. Step 3: Cross multiply
    370,348.39x = 511,079.17 × 207,004.68
  4. Step 4: Simplify right side
    370,348.39x = 105,795,780,040.52
  5. Step 5: Solve for x
    x = 105,795,780,040.52/370,348.39
  6. Step 6: Final answer
    x = 285,665.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.