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Finding the Fourth Proportional to 1,975,969.28, 2,964,205.12 and 627,650.88

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Solution

The fourth proportional to 1,975,969.28, 2,964,205.12 and 627,650.88 is: 941,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,969.28 : 2,964,205.12 = 627,650.88 : x
  2. Step 2: Convert to fraction form
    1,975,969.28/2,964,205.12 = 627,650.88/x
  3. Step 3: Cross multiply
    1,975,969.28x = 2,964,205.12 × 627,650.88
  4. Step 4: Simplify right side
    1,975,969.28x = 1,860,485,952,068.51
  5. Step 5: Solve for x
    x = 1,860,485,952,068.51/1,975,969.28
  6. Step 6: Final answer
    x = 941,556.11

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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.