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Finding the Fourth Proportional to 1,975,888.88, 2,726,729.52 and 1,070,470.88

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Solution

The fourth proportional to 1,975,888.88, 2,726,729.52 and 1,070,470.88 is: 1,477,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,888.88 : 2,726,729.52 = 1,070,470.88 : x
  2. Step 2: Convert to fraction form
    1,975,888.88/2,726,729.52 = 1,070,470.88/x
  3. Step 3: Cross multiply
    1,975,888.88x = 2,726,729.52 × 1,070,470.88
  4. Step 4: Simplify right side
    1,975,888.88x = 2,918,884,548,796.38
  5. Step 5: Solve for x
    x = 2,918,884,548,796.38/1,975,888.88
  6. Step 6: Final answer
    x = 1,477,251.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.