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Finding the Fourth Proportional to 470,558.92, 705,836.70 and 204,284.68

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Solution

The fourth proportional to 470,558.92, 705,836.70 and 204,284.68 is: 306,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,558.92 : 705,836.70 = 204,284.68 : x
  2. Step 2: Convert to fraction form
    470,558.92/705,836.70 = 204,284.68/x
  3. Step 3: Cross multiply
    470,558.92x = 705,836.70 × 204,284.68
  4. Step 4: Simplify right side
    470,558.92x = 144,191,624,391.76
  5. Step 5: Solve for x
    x = 144,191,624,391.76/470,558.92
  6. Step 6: Final answer
    x = 306,426.29

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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.