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Finding the Fourth Proportional to 624,842.20, 936,632.14 and 246,028.72

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Solution

The fourth proportional to 624,842.20, 936,632.14 and 246,028.72 is: 368,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,842.20 : 936,632.14 = 246,028.72 : x
  2. Step 2: Convert to fraction form
    624,842.20/936,632.14 = 246,028.72/x
  3. Step 3: Cross multiply
    624,842.20x = 936,632.14 × 246,028.72
  4. Step 4: Simplify right side
    624,842.20x = 230,438,406,515.06
  5. Step 5: Solve for x
    x = 230,438,406,515.06/624,842.20
  6. Step 6: Final answer
    x = 368,794.56

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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.