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Finding the Fourth Proportional to 605,711.80, 906,599.40 and 605,711.80

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Solution

The fourth proportional to 605,711.80, 906,599.40 and 605,711.80 is: 906,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,711.80 : 906,599.40 = 605,711.80 : x
  2. Step 2: Convert to fraction form
    605,711.80/906,599.40 = 605,711.80/x
  3. Step 3: Cross multiply
    605,711.80x = 906,599.40 × 605,711.80
  4. Step 4: Simplify right side
    605,711.80x = 549,137,954,452.92
  5. Step 5: Solve for x
    x = 549,137,954,452.92/605,711.80
  6. Step 6: Final answer
    x = 906,599.40

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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.