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Finding the Fourth Proportional to 362,987.70, 544,044.15 and 185,403.30

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Solution

The fourth proportional to 362,987.70, 544,044.15 and 185,403.30 is: 277,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,987.70 : 544,044.15 = 185,403.30 : x
  2. Step 2: Convert to fraction form
    362,987.70/544,044.15 = 185,403.30/x
  3. Step 3: Cross multiply
    362,987.70x = 544,044.15 × 185,403.30
  4. Step 4: Simplify right side
    362,987.70x = 100,867,580,755.70
  5. Step 5: Solve for x
    x = 100,867,580,755.70/362,987.70
  6. Step 6: Final answer
    x = 277,881.54

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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.