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Finding the Fourth Proportional to 833,740.24, 1,250,987.64 and 328,162

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Solution

The fourth proportional to 833,740.24, 1,250,987.64 and 328,162 is: 492,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,740.24 : 1,250,987.64 = 328,162 : x
  2. Step 2: Convert to fraction form
    833,740.24/1,250,987.64 = 328,162/x
  3. Step 3: Cross multiply
    833,740.24x = 1,250,987.64 × 328,162
  4. Step 4: Simplify right side
    833,740.24x = 410,526,605,917.68
  5. Step 5: Solve for x
    x = 410,526,605,917.68/833,740.24
  6. Step 6: Final answer
    x = 492,391.50

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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.