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Finding the Fourth Proportional to 355,206.30, 532,437.27 and 165,510.27

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Solution

The fourth proportional to 355,206.30, 532,437.27 and 165,510.27 is: 248,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,206.30 : 532,437.27 = 165,510.27 : x
  2. Step 2: Convert to fraction form
    355,206.30/532,437.27 = 165,510.27/x
  3. Step 3: Cross multiply
    355,206.30x = 532,437.27 × 165,510.27
  4. Step 4: Simplify right side
    355,206.30x = 88,123,836,315.76
  5. Step 5: Solve for x
    x = 88,123,836,315.76/355,206.30
  6. Step 6: Final answer
    x = 248,091.99

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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.