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Finding the Fourth Proportional to 1,731,633.60, 2,592,201.60 and 1,308,230.40

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Solution

The fourth proportional to 1,731,633.60, 2,592,201.60 and 1,308,230.40 is: 1,958,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,633.60 : 2,592,201.60 = 1,308,230.40 : x
  2. Step 2: Convert to fraction form
    1,731,633.60/2,592,201.60 = 1,308,230.40/x
  3. Step 3: Cross multiply
    1,731,633.60x = 2,592,201.60 × 1,308,230.40
  4. Step 4: Simplify right side
    1,731,633.60x = 3,391,196,936,048.64
  5. Step 5: Solve for x
    x = 3,391,196,936,048.64/1,731,633.60
  6. Step 6: Final answer
    x = 1,958,380.19

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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.