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Finding the Fourth Proportional to 326,755.62, 450,925.92 and 188,924.19

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Solution

The fourth proportional to 326,755.62, 450,925.92 and 188,924.19 is: 260,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,755.62 : 450,925.92 = 188,924.19 : x
  2. Step 2: Convert to fraction form
    326,755.62/450,925.92 = 188,924.19/x
  3. Step 3: Cross multiply
    326,755.62x = 450,925.92 × 188,924.19
  4. Step 4: Simplify right side
    326,755.62x = 85,190,814,186.00
  5. Step 5: Solve for x
    x = 85,190,814,186.00/326,755.62
  6. Step 6: Final answer
    x = 260,717.22

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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.