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Finding the Fourth Proportional to 360,051.57, 496,856.16 and 207,078.21

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Solution

The fourth proportional to 360,051.57, 496,856.16 and 207,078.21 is: 285,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,051.57 : 496,856.16 = 207,078.21 : x
  2. Step 2: Convert to fraction form
    360,051.57/496,856.16 = 207,078.21/x
  3. Step 3: Cross multiply
    360,051.57x = 496,856.16 × 207,078.21
  4. Step 4: Simplify right side
    360,051.57x = 102,888,084,240.27
  5. Step 5: Solve for x
    x = 102,888,084,240.27/360,051.57
  6. Step 6: Final answer
    x = 285,759.30

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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.