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Finding the Fourth Proportional to 590,207.60, 885,311.40 and 235,476.20

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Solution

The fourth proportional to 590,207.60, 885,311.40 and 235,476.20 is: 353,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,207.60 : 885,311.40 = 235,476.20 : x
  2. Step 2: Convert to fraction form
    590,207.60/885,311.40 = 235,476.20/x
  3. Step 3: Cross multiply
    590,207.60x = 885,311.40 × 235,476.20
  4. Step 4: Simplify right side
    590,207.60x = 208,469,764,288.68
  5. Step 5: Solve for x
    x = 208,469,764,288.68/590,207.60
  6. Step 6: Final answer
    x = 353,214.30

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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.