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Finding the Fourth Proportional to 532,650.51, 798,978.78 and 177,663.56

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Solution

The fourth proportional to 532,650.51, 798,978.78 and 177,663.56 is: 266,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,650.51 : 798,978.78 = 177,663.56 : x
  2. Step 2: Convert to fraction form
    532,650.51/798,978.78 = 177,663.56/x
  3. Step 3: Cross multiply
    532,650.51x = 798,978.78 × 177,663.56
  4. Step 4: Simplify right side
    532,650.51x = 141,949,410,424.36
  5. Step 5: Solve for x
    x = 141,949,410,424.36/532,650.51
  6. Step 6: Final answer
    x = 266,496.34

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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.