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Finding the Fourth Proportional to 371,367.56, 512,484.42 and 201,598.28

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Solution

The fourth proportional to 371,367.56, 512,484.42 and 201,598.28 is: 278,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,367.56 : 512,484.42 = 201,598.28 : x
  2. Step 2: Convert to fraction form
    371,367.56/512,484.42 = 201,598.28/x
  3. Step 3: Cross multiply
    371,367.56x = 512,484.42 × 201,598.28
  4. Step 4: Simplify right side
    371,367.56x = 103,315,977,598.80
  5. Step 5: Solve for x
    x = 103,315,977,598.80/371,367.56
  6. Step 6: Final answer
    x = 278,204.10

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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.