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Finding the Fourth Proportional to 544,692.20, 751,696.62 and 329,710.64

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Solution

The fourth proportional to 544,692.20, 751,696.62 and 329,710.64 is: 455,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,692.20 : 751,696.62 = 329,710.64 : x
  2. Step 2: Convert to fraction form
    544,692.20/751,696.62 = 329,710.64/x
  3. Step 3: Cross multiply
    544,692.20x = 751,696.62 × 329,710.64
  4. Step 4: Simplify right side
    544,692.20x = 247,842,373,666.04
  5. Step 5: Solve for x
    x = 247,842,373,666.04/544,692.20
  6. Step 6: Final answer
    x = 455,013.63

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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.