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Finding the Fourth Proportional to 581,083.47, 871,126.01 and 201,954.95

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Solution

The fourth proportional to 581,083.47, 871,126.01 and 201,954.95 is: 302,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,083.47 : 871,126.01 = 201,954.95 : x
  2. Step 2: Convert to fraction form
    581,083.47/871,126.01 = 201,954.95/x
  3. Step 3: Cross multiply
    581,083.47x = 871,126.01 × 201,954.95
  4. Step 4: Simplify right side
    581,083.47x = 175,928,204,427.85
  5. Step 5: Solve for x
    x = 175,928,204,427.85/581,083.47
  6. Step 6: Final answer
    x = 302,758.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.