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Finding the Fourth Proportional to 491,664.94, 737,538.41 and 136,682.03

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Solution

The fourth proportional to 491,664.94, 737,538.41 and 136,682.03 is: 205,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,664.94 : 737,538.41 = 136,682.03 : x
  2. Step 2: Convert to fraction form
    491,664.94/737,538.41 = 136,682.03/x
  3. Step 3: Cross multiply
    491,664.94x = 737,538.41 × 136,682.03
  4. Step 4: Simplify right side
    491,664.94x = 100,808,249,267.32
  5. Step 5: Solve for x
    x = 100,808,249,267.32/491,664.94
  6. Step 6: Final answer
    x = 205,034.45

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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.