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Finding the Fourth Proportional to 1,842,308.40, 2,766,313.80 and 1,002,500.40

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Solution

The fourth proportional to 1,842,308.40, 2,766,313.80 and 1,002,500.40 is: 1,505,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,308.40 : 2,766,313.80 = 1,002,500.40 : x
  2. Step 2: Convert to fraction form
    1,842,308.40/2,766,313.80 = 1,002,500.40/x
  3. Step 3: Cross multiply
    1,842,308.40x = 2,766,313.80 × 1,002,500.40
  4. Step 4: Simplify right side
    1,842,308.40x = 2,773,230,691,025.52
  5. Step 5: Solve for x
    x = 2,773,230,691,025.52/1,842,308.40
  6. Step 6: Final answer
    x = 1,505,302.09

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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.