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Finding the Fourth Proportional to 360,054.57, 496,860.30 and 207,081.21

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Solution

The fourth proportional to 360,054.57, 496,860.30 and 207,081.21 is: 285,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,054.57 : 496,860.30 = 207,081.21 : x
  2. Step 2: Convert to fraction form
    360,054.57/496,860.30 = 207,081.21/x
  3. Step 3: Cross multiply
    360,054.57x = 496,860.30 × 207,081.21
  4. Step 4: Simplify right side
    360,054.57x = 102,890,432,124.96
  5. Step 5: Solve for x
    x = 102,890,432,124.96/360,054.57
  6. Step 6: Final answer
    x = 285,763.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.