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Finding the Fourth Proportional to 605,838.70, 846,515.30 and 605,838.70

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Solution

The fourth proportional to 605,838.70, 846,515.30 and 605,838.70 is: 846,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,838.70 : 846,515.30 = 605,838.70 : x
  2. Step 2: Convert to fraction form
    605,838.70/846,515.30 = 605,838.70/x
  3. Step 3: Cross multiply
    605,838.70x = 846,515.30 × 605,838.70
  4. Step 4: Simplify right side
    605,838.70x = 512,851,728,882.11
  5. Step 5: Solve for x
    x = 512,851,728,882.11/605,838.70
  6. Step 6: Final answer
    x = 846,515.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.