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Finding the Fourth Proportional to 446,697.25, 669,749.66 and 162,354.04

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Solution

The fourth proportional to 446,697.25, 669,749.66 and 162,354.04 is: 243,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,697.25 : 669,749.66 = 162,354.04 : x
  2. Step 2: Convert to fraction form
    446,697.25/669,749.66 = 162,354.04/x
  3. Step 3: Cross multiply
    446,697.25x = 669,749.66 × 162,354.04
  4. Step 4: Simplify right side
    446,697.25x = 108,736,560,603.48
  5. Step 5: Solve for x
    x = 108,736,560,603.48/446,697.25
  6. Step 6: Final answer
    x = 243,423.40

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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.