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Finding the Fourth Proportional to 871,230.85, 1,202,282.93 and 484,048.01

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Solution

The fourth proportional to 871,230.85, 1,202,282.93 and 484,048.01 is: 667,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,230.85 : 1,202,282.93 = 484,048.01 : x
  2. Step 2: Convert to fraction form
    871,230.85/1,202,282.93 = 484,048.01/x
  3. Step 3: Cross multiply
    871,230.85x = 1,202,282.93 × 484,048.01
  4. Step 4: Simplify right side
    871,230.85x = 581,962,663,939.30
  5. Step 5: Solve for x
    x = 581,962,663,939.30/871,230.85
  6. Step 6: Final answer
    x = 667,977.57

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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.