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Finding the Fourth Proportional to 572,266.48, 789,544.92 and 330,517.12

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Solution

The fourth proportional to 572,266.48, 789,544.92 and 330,517.12 is: 456,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,266.48 : 789,544.92 = 330,517.12 : x
  2. Step 2: Convert to fraction form
    572,266.48/789,544.92 = 330,517.12/x
  3. Step 3: Cross multiply
    572,266.48x = 789,544.92 × 330,517.12
  4. Step 4: Simplify right side
    572,266.48x = 260,958,113,069.03
  5. Step 5: Solve for x
    x = 260,958,113,069.03/572,266.48
  6. Step 6: Final answer
    x = 456,008.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.