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Finding the Fourth Proportional to 3,309,875.25, 4,964,813.15 and 1,066,013.25

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Solution

The fourth proportional to 3,309,875.25, 4,964,813.15 and 1,066,013.25 is: 1,599,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,875.25 : 4,964,813.15 = 1,066,013.25 : x
  2. Step 2: Convert to fraction form
    3,309,875.25/4,964,813.15 = 1,066,013.25/x
  3. Step 3: Cross multiply
    3,309,875.25x = 4,964,813.15 × 1,066,013.25
  4. Step 4: Simplify right side
    3,309,875.25x = 5,292,556,596,344.17
  5. Step 5: Solve for x
    x = 5,292,556,596,344.17/3,309,875.25
  6. Step 6: Final answer
    x = 1,599,019.96

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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.