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Finding the Fourth Proportional to 333,012.80, 499,519.20 and 329,513.60

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Solution

The fourth proportional to 333,012.80, 499,519.20 and 329,513.60 is: 494,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,012.80 : 499,519.20 = 329,513.60 : x
  2. Step 2: Convert to fraction form
    333,012.80/499,519.20 = 329,513.60/x
  3. Step 3: Cross multiply
    333,012.80x = 499,519.20 × 329,513.60
  4. Step 4: Simplify right side
    333,012.80x = 164,598,369,861.12
  5. Step 5: Solve for x
    x = 164,598,369,861.12/333,012.80
  6. Step 6: Final answer
    x = 494,270.40

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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.