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Finding the Fourth Proportional to 580,851.60, 871,277.40 and 454,880.40

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Solution

The fourth proportional to 580,851.60, 871,277.40 and 454,880.40 is: 682,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,851.60 : 871,277.40 = 454,880.40 : x
  2. Step 2: Convert to fraction form
    580,851.60/871,277.40 = 454,880.40/x
  3. Step 3: Cross multiply
    580,851.60x = 871,277.40 × 454,880.40
  4. Step 4: Simplify right side
    580,851.60x = 396,327,012,222.96
  5. Step 5: Solve for x
    x = 396,327,012,222.96/580,851.60
  6. Step 6: Final answer
    x = 682,320.60

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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.