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Finding the Fourth Proportional to 632,176.80, 945,932.40 and 576,189.60

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Solution

The fourth proportional to 632,176.80, 945,932.40 and 576,189.60 is: 862,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,176.80 : 945,932.40 = 576,189.60 : x
  2. Step 2: Convert to fraction form
    632,176.80/945,932.40 = 576,189.60/x
  3. Step 3: Cross multiply
    632,176.80x = 945,932.40 × 576,189.60
  4. Step 4: Simplify right side
    632,176.80x = 545,036,411,183.04
  5. Step 5: Solve for x
    x = 545,036,411,183.04/632,176.80
  6. Step 6: Final answer
    x = 862,158.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.