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Finding the Fourth Proportional to 532,651.52, 798,980.28 and 177,664.56

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Solution

The fourth proportional to 532,651.52, 798,980.28 and 177,664.56 is: 266,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,651.52 : 798,980.28 = 177,664.56 : x
  2. Step 2: Convert to fraction form
    532,651.52/798,980.28 = 177,664.56/x
  3. Step 3: Cross multiply
    532,651.52x = 798,980.28 × 177,664.56
  4. Step 4: Simplify right side
    532,651.52x = 141,950,479,894.88
  5. Step 5: Solve for x
    x = 141,950,479,894.88/532,651.52
  6. Step 6: Final answer
    x = 266,497.84

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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.