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Finding the Fourth Proportional to 577,177.56, 865,861.02 and 177,809.40

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Solution

The fourth proportional to 577,177.56, 865,861.02 and 177,809.40 is: 266,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,177.56 : 865,861.02 = 177,809.40 : x
  2. Step 2: Convert to fraction form
    577,177.56/865,861.02 = 177,809.40/x
  3. Step 3: Cross multiply
    577,177.56x = 865,861.02 × 177,809.40
  4. Step 4: Simplify right side
    577,177.56x = 153,958,228,449.59
  5. Step 5: Solve for x
    x = 153,958,228,449.59/577,177.56
  6. Step 6: Final answer
    x = 266,743.27

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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.