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Finding the Fourth Proportional to 605,843.20, 846,521.60 and 605,843.20

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Solution

The fourth proportional to 605,843.20, 846,521.60 and 605,843.20 is: 846,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,843.20 : 846,521.60 = 605,843.20 : x
  2. Step 2: Convert to fraction form
    605,843.20/846,521.60 = 605,843.20/x
  3. Step 3: Cross multiply
    605,843.20x = 846,521.60 × 605,843.20
  4. Step 4: Simplify right side
    605,843.20x = 512,859,355,013.12
  5. Step 5: Solve for x
    x = 512,859,355,013.12/605,843.20
  6. Step 6: Final answer
    x = 846,521.60

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1.5x scale

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.