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Finding the Fourth Proportional to 361,017.07, 541,538.15 and 171,379.73

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Solution

The fourth proportional to 361,017.07, 541,538.15 and 171,379.73 is: 257,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,017.07 : 541,538.15 = 171,379.73 : x
  2. Step 2: Convert to fraction form
    361,017.07/541,538.15 = 171,379.73/x
  3. Step 3: Cross multiply
    361,017.07x = 541,538.15 × 171,379.73
  4. Step 4: Simplify right side
    361,017.07x = 92,808,662,428.65
  5. Step 5: Solve for x
    x = 92,808,662,428.65/361,017.07
  6. Step 6: Final answer
    x = 257,075.55

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1.5x scale

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.