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Finding the Fourth Proportional to 446,180.74, 669,019.60 and 146,580.88

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Solution

The fourth proportional to 446,180.74, 669,019.60 and 146,580.88 is: 219,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,180.74 : 669,019.60 = 146,580.88 : x
  2. Step 2: Convert to fraction form
    446,180.74/669,019.60 = 146,580.88/x
  3. Step 3: Cross multiply
    446,180.74x = 669,019.60 × 146,580.88
  4. Step 4: Simplify right side
    446,180.74x = 98,065,479,588.72
  5. Step 5: Solve for x
    x = 98,065,479,588.72/446,180.74
  6. Step 6: Final answer
    x = 219,788.69

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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.