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Finding the Fourth Proportional to 355,210.56, 532,864.80 and 165,573.36

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Solution

The fourth proportional to 355,210.56, 532,864.80 and 165,573.36 is: 248,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,210.56 : 532,864.80 = 165,573.36 : x
  2. Step 2: Convert to fraction form
    355,210.56/532,864.80 = 165,573.36/x
  3. Step 3: Cross multiply
    355,210.56x = 532,864.80 × 165,573.36
  4. Step 4: Simplify right side
    355,210.56x = 88,228,215,361.73
  5. Step 5: Solve for x
    x = 88,228,215,361.73/355,210.56
  6. Step 6: Final answer
    x = 248,382.86

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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.