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Finding the Fourth Proportional to 295,321.40, 442,982.10 and 293,571.80

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Solution

The fourth proportional to 295,321.40, 442,982.10 and 293,571.80 is: 440,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,321.40 : 442,982.10 = 293,571.80 : x
  2. Step 2: Convert to fraction form
    295,321.40/442,982.10 = 293,571.80/x
  3. Step 3: Cross multiply
    295,321.40x = 442,982.10 × 293,571.80
  4. Step 4: Simplify right side
    295,321.40x = 130,047,052,464.78
  5. Step 5: Solve for x
    x = 130,047,052,464.78/295,321.40
  6. Step 6: Final answer
    x = 440,357.70

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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.