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Finding the Fourth Proportional to 516,530.88, 774,352.53 and 179,527.77

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Solution

The fourth proportional to 516,530.88, 774,352.53 and 179,527.77 is: 269,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,530.88 : 774,352.53 = 179,527.77 : x
  2. Step 2: Convert to fraction form
    516,530.88/774,352.53 = 179,527.77/x
  3. Step 3: Cross multiply
    516,530.88x = 774,352.53 × 179,527.77
  4. Step 4: Simplify right side
    516,530.88x = 139,017,782,904.76
  5. Step 5: Solve for x
    x = 139,017,782,904.76/516,530.88
  6. Step 6: Final answer
    x = 269,137.41

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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.