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Finding the Fourth Proportional to 577,390.69, 866,030.37 and 177,924.22

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Solution

The fourth proportional to 577,390.69, 866,030.37 and 177,924.22 is: 266,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,390.69 : 866,030.37 = 177,924.22 : x
  2. Step 2: Convert to fraction form
    577,390.69/866,030.37 = 177,924.22/x
  3. Step 3: Cross multiply
    577,390.69x = 866,030.37 × 177,924.22
  4. Step 4: Simplify right side
    577,390.69x = 154,087,778,078.56
  5. Step 5: Solve for x
    x = 154,087,778,078.56/577,390.69
  6. Step 6: Final answer
    x = 266,869.18

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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.