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Finding the Fourth Proportional to 1,788,945.12, 2,682,848.64 and 590,644.32

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Solution

The fourth proportional to 1,788,945.12, 2,682,848.64 and 590,644.32 is: 885,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,945.12 : 2,682,848.64 = 590,644.32 : x
  2. Step 2: Convert to fraction form
    1,788,945.12/2,682,848.64 = 590,644.32/x
  3. Step 3: Cross multiply
    1,788,945.12x = 2,682,848.64 × 590,644.32
  4. Step 4: Simplify right side
    1,788,945.12x = 1,584,609,310,635.73
  5. Step 5: Solve for x
    x = 1,584,609,310,635.73/1,788,945.12
  6. Step 6: Final answer
    x = 885,778.60

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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.