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Finding the Fourth Proportional to 3,309,873.75, 4,964,810.91 and 1,066,011.75

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Solution

The fourth proportional to 3,309,873.75, 4,964,810.91 and 1,066,011.75 is: 1,599,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,873.75 : 4,964,810.91 = 1,066,011.75 : x
  2. Step 2: Convert to fraction form
    3,309,873.75/4,964,810.91 = 1,066,011.75/x
  3. Step 3: Cross multiply
    3,309,873.75x = 4,964,810.91 × 1,066,011.75
  4. Step 4: Simplify right side
    3,309,873.75x = 5,292,546,766,588.19
  5. Step 5: Solve for x
    x = 5,292,546,766,588.19/3,309,873.75
  6. Step 6: Final answer
    x = 1,599,017.72

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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.