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Finding the Fourth Proportional to 1,165,683.92, 1,608,797 and 656,485.84

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Solution

The fourth proportional to 1,165,683.92, 1,608,797 and 656,485.84 is: 906,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,683.92 : 1,608,797 = 656,485.84 : x
  2. Step 2: Convert to fraction form
    1,165,683.92/1,608,797 = 656,485.84/x
  3. Step 3: Cross multiply
    1,165,683.92x = 1,608,797 × 656,485.84
  4. Step 4: Simplify right side
    1,165,683.92x = 1,056,152,449,934.48
  5. Step 5: Solve for x
    x = 1,056,152,449,934.48/1,165,683.92
  6. Step 6: Final answer
    x = 906,036.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.