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Finding the Fourth Proportional to 577,355.60, 866,033.40 and 177,960.80

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Solution

The fourth proportional to 577,355.60, 866,033.40 and 177,960.80 is: 266,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,355.60 : 866,033.40 = 177,960.80 : x
  2. Step 2: Convert to fraction form
    577,355.60/866,033.40 = 177,960.80/x
  3. Step 3: Cross multiply
    577,355.60x = 866,033.40 × 177,960.80
  4. Step 4: Simplify right side
    577,355.60x = 154,119,996,690.72
  5. Step 5: Solve for x
    x = 154,119,996,690.72/577,355.60
  6. Step 6: Final answer
    x = 266,941.20

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Similar ratio
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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.