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Finding the Fourth Proportional to 551,370.40, 827,055.60 and 235,859.20

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Solution

The fourth proportional to 551,370.40, 827,055.60 and 235,859.20 is: 353,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,370.40 : 827,055.60 = 235,859.20 : x
  2. Step 2: Convert to fraction form
    551,370.40/827,055.60 = 235,859.20/x
  3. Step 3: Cross multiply
    551,370.40x = 827,055.60 × 235,859.20
  4. Step 4: Simplify right side
    551,370.40x = 195,068,672,171.52
  5. Step 5: Solve for x
    x = 195,068,672,171.52/551,370.40
  6. Step 6: Final answer
    x = 353,788.80

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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.