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Finding the Fourth Proportional to 446,885.10, 670,586.85 and 166,430.70

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Solution

The fourth proportional to 446,885.10, 670,586.85 and 166,430.70 is: 249,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,885.10 : 670,586.85 = 166,430.70 : x
  2. Step 2: Convert to fraction form
    446,885.10/670,586.85 = 166,430.70/x
  3. Step 3: Cross multiply
    446,885.10x = 670,586.85 × 166,430.70
  4. Step 4: Simplify right side
    446,885.10x = 111,606,238,856.30
  5. Step 5: Solve for x
    x = 111,606,238,856.30/446,885.10
  6. Step 6: Final answer
    x = 249,742.58

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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.