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Finding the Fourth Proportional to 577,384.40, 866,020.94 and 177,917.91

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Solution

The fourth proportional to 577,384.40, 866,020.94 and 177,917.91 is: 266,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,384.40 : 866,020.94 = 177,917.91 : x
  2. Step 2: Convert to fraction form
    577,384.40/866,020.94 = 177,917.91/x
  3. Step 3: Cross multiply
    577,384.40x = 866,020.94 × 177,917.91
  4. Step 4: Simplify right side
    577,384.40x = 154,080,634,771.45
  5. Step 5: Solve for x
    x = 154,080,634,771.45/577,384.40
  6. Step 6: Final answer
    x = 266,859.71

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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.