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Finding the Fourth Proportional to 470,003.10, 705,004.65 and 154,383.90

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Solution

The fourth proportional to 470,003.10, 705,004.65 and 154,383.90 is: 231,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,003.10 : 705,004.65 = 154,383.90 : x
  2. Step 2: Convert to fraction form
    470,003.10/705,004.65 = 154,383.90/x
  3. Step 3: Cross multiply
    470,003.10x = 705,004.65 × 154,383.90
  4. Step 4: Simplify right side
    470,003.10x = 108,841,367,385.14
  5. Step 5: Solve for x
    x = 108,841,367,385.14/470,003.10
  6. Step 6: Final answer
    x = 231,575.85

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Similar ratio
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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.