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Finding the Fourth Proportional to 250,410.96, 345,458.52 and 165,646.32

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Solution

The fourth proportional to 250,410.96, 345,458.52 and 165,646.32 is: 228,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,410.96 : 345,458.52 = 165,646.32 : x
  2. Step 2: Convert to fraction form
    250,410.96/345,458.52 = 165,646.32/x
  3. Step 3: Cross multiply
    250,410.96x = 345,458.52 × 165,646.32
  4. Step 4: Simplify right side
    250,410.96x = 57,223,932,550.65
  5. Step 5: Solve for x
    x = 57,223,932,550.65/250,410.96
  6. Step 6: Final answer
    x = 228,520.08

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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.