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Finding the Fourth Proportional to 446,492.54, 669,744.03 and 130,955.78

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Solution

The fourth proportional to 446,492.54, 669,744.03 and 130,955.78 is: 196,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,492.54 : 669,744.03 = 130,955.78 : x
  2. Step 2: Convert to fraction form
    446,492.54/669,744.03 = 130,955.78/x
  3. Step 3: Cross multiply
    446,492.54x = 669,744.03 × 130,955.78
  4. Step 4: Simplify right side
    446,492.54x = 87,706,851,848.99
  5. Step 5: Solve for x
    x = 87,706,851,848.99/446,492.54
  6. Step 6: Final answer
    x = 196,435.20

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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.