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Finding the Fourth Proportional to 590,218.60, 885,212.70 and 196,234.60

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Solution

The fourth proportional to 590,218.60, 885,212.70 and 196,234.60 is: 294,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,218.60 : 885,212.70 = 196,234.60 : x
  2. Step 2: Convert to fraction form
    590,218.60/885,212.70 = 196,234.60/x
  3. Step 3: Cross multiply
    590,218.60x = 885,212.70 × 196,234.60
  4. Step 4: Simplify right side
    590,218.60x = 173,709,360,099.42
  5. Step 5: Solve for x
    x = 173,709,360,099.42/590,218.60
  6. Step 6: Final answer
    x = 294,313.60

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1.5x scale

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.