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Finding the Fourth Proportional to 446,210.70, 669,174.12 and 146,622.30

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Solution

The fourth proportional to 446,210.70, 669,174.12 and 146,622.30 is: 219,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,210.70 : 669,174.12 = 146,622.30 : x
  2. Step 2: Convert to fraction form
    446,210.70/669,174.12 = 146,622.30/x
  3. Step 3: Cross multiply
    446,210.70x = 669,174.12 × 146,622.30
  4. Step 4: Simplify right side
    446,210.70x = 98,115,848,574.88
  5. Step 5: Solve for x
    x = 98,115,848,574.88/446,210.70
  6. Step 6: Final answer
    x = 219,886.81

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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.