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Finding the Fourth Proportional to 470,535.11, 705,405.78 and 204,094.92

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Solution

The fourth proportional to 470,535.11, 705,405.78 and 204,094.92 is: 305,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,535.11 : 705,405.78 = 204,094.92 : x
  2. Step 2: Convert to fraction form
    470,535.11/705,405.78 = 204,094.92/x
  3. Step 3: Cross multiply
    470,535.11x = 705,405.78 × 204,094.92
  4. Step 4: Simplify right side
    470,535.11x = 143,969,736,236.64
  5. Step 5: Solve for x
    x = 143,969,736,236.64/470,535.11
  6. Step 6: Final answer
    x = 305,970.23

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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.