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Finding the Fourth Proportional to 441,877.40, 662,135.70 and 329,028.20

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Solution

The fourth proportional to 441,877.40, 662,135.70 and 329,028.20 is: 493,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,877.40 : 662,135.70 = 329,028.20 : x
  2. Step 2: Convert to fraction form
    441,877.40/662,135.70 = 329,028.20/x
  3. Step 3: Cross multiply
    441,877.40x = 662,135.70 × 329,028.20
  4. Step 4: Simplify right side
    441,877.40x = 217,861,317,526.74
  5. Step 5: Solve for x
    x = 217,861,317,526.74/441,877.40
  6. Step 6: Final answer
    x = 493,035.66

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1.5x scale

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.