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Finding the Fourth Proportional to 603,384.92, 905,194.02 and 229,378.76

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Solution

The fourth proportional to 603,384.92, 905,194.02 and 229,378.76 is: 344,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,384.92 : 905,194.02 = 229,378.76 : x
  2. Step 2: Convert to fraction form
    603,384.92/905,194.02 = 229,378.76/x
  3. Step 3: Cross multiply
    603,384.92x = 905,194.02 × 229,378.76
  4. Step 4: Simplify right side
    603,384.92x = 207,632,281,867.02
  5. Step 5: Solve for x
    x = 207,632,281,867.02/603,384.92
  6. Step 6: Final answer
    x = 344,112.48

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Double scale
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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.