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Finding the Fourth Proportional to 1,228,641.03, 1,842,836.96 and 329,965.97

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Solution

The fourth proportional to 1,228,641.03, 1,842,836.96 and 329,965.97 is: 494,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,641.03 : 1,842,836.96 = 329,965.97 : x
  2. Step 2: Convert to fraction form
    1,228,641.03/1,842,836.96 = 329,965.97/x
  3. Step 3: Cross multiply
    1,228,641.03x = 1,842,836.96 × 329,965.97
  4. Step 4: Simplify right side
    1,228,641.03x = 608,073,485,058.25
  5. Step 5: Solve for x
    x = 608,073,485,058.25/1,228,641.03
  6. Step 6: Final answer
    x = 494,915.50

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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.