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Finding the Fourth Proportional to 336,679.84, 464,619.76 and 185,776.80

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Solution

The fourth proportional to 336,679.84, 464,619.76 and 185,776.80 is: 256,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,679.84 : 464,619.76 = 185,776.80 : x
  2. Step 2: Convert to fraction form
    336,679.84/464,619.76 = 185,776.80/x
  3. Step 3: Cross multiply
    336,679.84x = 464,619.76 × 185,776.80
  4. Step 4: Simplify right side
    336,679.84x = 86,315,572,229.57
  5. Step 5: Solve for x
    x = 86,315,572,229.57/336,679.84
  6. Step 6: Final answer
    x = 256,372.86

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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.