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Finding the Fourth Proportional to 543,282.40, 814,923.60 and 494,293.60

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Solution

The fourth proportional to 543,282.40, 814,923.60 and 494,293.60 is: 741,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,282.40 : 814,923.60 = 494,293.60 : x
  2. Step 2: Convert to fraction form
    543,282.40/814,923.60 = 494,293.60/x
  3. Step 3: Cross multiply
    543,282.40x = 814,923.60 × 494,293.60
  4. Step 4: Simplify right side
    543,282.40x = 402,811,519,968.96
  5. Step 5: Solve for x
    x = 402,811,519,968.96/543,282.40
  6. Step 6: Final answer
    x = 741,440.40

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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.