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Finding the Fourth Proportional to 1,731,224.40, 2,596,836.60 and 984,728.40

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Solution

The fourth proportional to 1,731,224.40, 2,596,836.60 and 984,728.40 is: 1,477,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,224.40 : 2,596,836.60 = 984,728.40 : x
  2. Step 2: Convert to fraction form
    1,731,224.40/2,596,836.60 = 984,728.40/x
  3. Step 3: Cross multiply
    1,731,224.40x = 2,596,836.60 × 984,728.40
  4. Step 4: Simplify right side
    1,731,224.40x = 2,557,178,750,179.44
  5. Step 5: Solve for x
    x = 2,557,178,750,179.44/1,731,224.40
  6. Step 6: Final answer
    x = 1,477,092.60

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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.