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Finding the Fourth Proportional to 333,687.30, 460,119.48 and 212,636.85

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Solution

The fourth proportional to 333,687.30, 460,119.48 and 212,636.85 is: 293,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,687.30 : 460,119.48 = 212,636.85 : x
  2. Step 2: Convert to fraction form
    333,687.30/460,119.48 = 212,636.85/x
  3. Step 3: Cross multiply
    333,687.30x = 460,119.48 × 212,636.85
  4. Step 4: Simplify right side
    333,687.30x = 97,838,356,850.84
  5. Step 5: Solve for x
    x = 97,838,356,850.84/333,687.30
  6. Step 6: Final answer
    x = 293,203.72

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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.