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Finding the Fourth Proportional to 577,325.20, 866,007.60 and 177,962.80

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Solution

The fourth proportional to 577,325.20, 866,007.60 and 177,962.80 is: 266,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,325.20 : 866,007.60 = 177,962.80 : x
  2. Step 2: Convert to fraction form
    577,325.20/866,007.60 = 177,962.80/x
  3. Step 3: Cross multiply
    577,325.20x = 866,007.60 × 177,962.80
  4. Step 4: Simplify right side
    577,325.20x = 154,117,137,317.28
  5. Step 5: Solve for x
    x = 154,117,137,317.28/577,325.20
  6. Step 6: Final answer
    x = 266,950.30

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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.