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Finding the Fourth Proportional to 481,897.60, 665,022.65 and 267,041.26

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Solution

The fourth proportional to 481,897.60, 665,022.65 and 267,041.26 is: 368,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,897.60 : 665,022.65 = 267,041.26 : x
  2. Step 2: Convert to fraction form
    481,897.60/665,022.65 = 267,041.26/x
  3. Step 3: Cross multiply
    481,897.60x = 665,022.65 × 267,041.26
  4. Step 4: Simplify right side
    481,897.60x = 177,588,483,727.03
  5. Step 5: Solve for x
    x = 177,588,483,727.03/481,897.60
  6. Step 6: Final answer
    x = 368,519.13

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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.