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Finding the Fourth Proportional to 446,274.92, 669,433.90 and 146,748.87

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Solution

The fourth proportional to 446,274.92, 669,433.90 and 146,748.87 is: 220,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,274.92 : 669,433.90 = 146,748.87 : x
  2. Step 2: Convert to fraction form
    446,274.92/669,433.90 = 146,748.87/x
  3. Step 3: Cross multiply
    446,274.92x = 669,433.90 × 146,748.87
  4. Step 4: Simplify right side
    446,274.92x = 98,238,668,364.69
  5. Step 5: Solve for x
    x = 98,238,668,364.69/446,274.92
  6. Step 6: Final answer
    x = 220,130.38

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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.