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Finding the Fourth Proportional to 482,735.19, 666,205.83 and 267,875.76

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Solution

The fourth proportional to 482,735.19, 666,205.83 and 267,875.76 is: 369,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,735.19 : 666,205.83 = 267,875.76 : x
  2. Step 2: Convert to fraction form
    482,735.19/666,205.83 = 267,875.76/x
  3. Step 3: Cross multiply
    482,735.19x = 666,205.83 × 267,875.76
  4. Step 4: Simplify right side
    482,735.19x = 178,460,393,027.68
  5. Step 5: Solve for x
    x = 178,460,393,027.68/482,735.19
  6. Step 6: Final answer
    x = 369,685.90

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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.