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Finding the Fourth Proportional to 301,845.92, 416,549.84 and 188,734.24

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Solution

The fourth proportional to 301,845.92, 416,549.84 and 188,734.24 is: 260,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,845.92 : 416,549.84 = 188,734.24 : x
  2. Step 2: Convert to fraction form
    301,845.92/416,549.84 = 188,734.24/x
  3. Step 3: Cross multiply
    301,845.92x = 416,549.84 × 188,734.24
  4. Step 4: Simplify right side
    301,845.92x = 78,617,217,474.52
  5. Step 5: Solve for x
    x = 78,617,217,474.52/301,845.92
  6. Step 6: Final answer
    x = 260,454.80

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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.