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Finding the Fourth Proportional to 324,810.40, 487,215.60 and 184,842.40

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Solution

The fourth proportional to 324,810.40, 487,215.60 and 184,842.40 is: 277,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,810.40 : 487,215.60 = 184,842.40 : x
  2. Step 2: Convert to fraction form
    324,810.40/487,215.60 = 184,842.40/x
  3. Step 3: Cross multiply
    324,810.40x = 487,215.60 × 184,842.40
  4. Step 4: Simplify right side
    324,810.40x = 90,058,100,821.44
  5. Step 5: Solve for x
    x = 90,058,100,821.44/324,810.40
  6. Step 6: Final answer
    x = 277,263.60

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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.