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Finding the Fourth Proportional to 591,247.40, 886,871.10 and 413,954.60

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Solution

The fourth proportional to 591,247.40, 886,871.10 and 413,954.60 is: 620,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,247.40 : 886,871.10 = 413,954.60 : x
  2. Step 2: Convert to fraction form
    591,247.40/886,871.10 = 413,954.60/x
  3. Step 3: Cross multiply
    591,247.40x = 886,871.10 × 413,954.60
  4. Step 4: Simplify right side
    591,247.40x = 367,124,371,452.06
  5. Step 5: Solve for x
    x = 367,124,371,452.06/591,247.40
  6. Step 6: Final answer
    x = 620,931.90

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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.