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Finding the Fourth Proportional to 536,658.21, 740,606.09 and 294,949.35

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Solution

The fourth proportional to 536,658.21, 740,606.09 and 294,949.35 is: 407,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,658.21 : 740,606.09 = 294,949.35 : x
  2. Step 2: Convert to fraction form
    536,658.21/740,606.09 = 294,949.35/x
  3. Step 3: Cross multiply
    536,658.21x = 740,606.09 × 294,949.35
  4. Step 4: Simplify right side
    536,658.21x = 218,441,283,376.80
  5. Step 5: Solve for x
    x = 218,441,283,376.80/536,658.21
  6. Step 6: Final answer
    x = 407,039.86

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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.