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Finding the Fourth Proportional to 371,525.88, 512,692.02 and 201,756.36

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Solution

The fourth proportional to 371,525.88, 512,692.02 and 201,756.36 is: 278,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,525.88 : 512,692.02 = 201,756.36 : x
  2. Step 2: Convert to fraction form
    371,525.88/512,692.02 = 201,756.36/x
  3. Step 3: Cross multiply
    371,525.88x = 512,692.02 × 201,756.36
  4. Step 4: Simplify right side
    371,525.88x = 103,438,875,756.25
  5. Step 5: Solve for x
    x = 103,438,875,756.25/371,525.88
  6. Step 6: Final answer
    x = 278,416.34

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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.