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Finding the Fourth Proportional to 585,606.60, 877,826.70 and 269,512.20

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Solution

The fourth proportional to 585,606.60, 877,826.70 and 269,512.20 is: 403,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,606.60 : 877,826.70 = 269,512.20 : x
  2. Step 2: Convert to fraction form
    585,606.60/877,826.70 = 269,512.20/x
  3. Step 3: Cross multiply
    585,606.60x = 877,826.70 × 269,512.20
  4. Step 4: Simplify right side
    585,606.60x = 236,585,005,135.74
  5. Step 5: Solve for x
    x = 236,585,005,135.74/585,606.60
  6. Step 6: Final answer
    x = 403,999.90

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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.