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Finding the Fourth Proportional to 550,827.60, 827,407.80 and 530,998.80

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Solution

The fourth proportional to 550,827.60, 827,407.80 and 530,998.80 is: 797,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,827.60 : 827,407.80 = 530,998.80 : x
  2. Step 2: Convert to fraction form
    550,827.60/827,407.80 = 530,998.80/x
  3. Step 3: Cross multiply
    550,827.60x = 827,407.80 × 530,998.80
  4. Step 4: Simplify right side
    550,827.60x = 439,352,548,910.64
  5. Step 5: Solve for x
    x = 439,352,548,910.64/550,827.60
  6. Step 6: Final answer
    x = 797,622.61

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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.