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Finding the Fourth Proportional to 267,343.49, 368,977.79 and 152,626.91

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Solution

The fourth proportional to 267,343.49, 368,977.79 and 152,626.91 is: 210,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,343.49 : 368,977.79 = 152,626.91 : x
  2. Step 2: Convert to fraction form
    267,343.49/368,977.79 = 152,626.91/x
  3. Step 3: Cross multiply
    267,343.49x = 368,977.79 × 152,626.91
  4. Step 4: Simplify right side
    267,343.49x = 56,315,938,483.01
  5. Step 5: Solve for x
    x = 56,315,938,483.01/267,343.49
  6. Step 6: Final answer
    x = 210,650.12

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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.