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Finding the Fourth Proportional to 1,955,793.60, 2,934,921.60 and 833,846.40

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Solution

The fourth proportional to 1,955,793.60, 2,934,921.60 and 833,846.40 is: 1,251,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,793.60 : 2,934,921.60 = 833,846.40 : x
  2. Step 2: Convert to fraction form
    1,955,793.60/2,934,921.60 = 833,846.40/x
  3. Step 3: Cross multiply
    1,955,793.60x = 2,934,921.60 × 833,846.40
  4. Step 4: Simplify right side
    1,955,793.60x = 2,447,273,810,442.24
  5. Step 5: Solve for x
    x = 2,447,273,810,442.24/1,955,793.60
  6. Step 6: Final answer
    x = 1,251,294.52

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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.