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Finding the Fourth Proportional to 326,853.76, 450,665.76 and 236,064.64

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Solution

The fourth proportional to 326,853.76, 450,665.76 and 236,064.64 is: 325,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,853.76 : 450,665.76 = 236,064.64 : x
  2. Step 2: Convert to fraction form
    326,853.76/450,665.76 = 236,064.64/x
  3. Step 3: Cross multiply
    326,853.76x = 450,665.76 × 236,064.64
  4. Step 4: Simplify right side
    326,853.76x = 106,386,250,394.73
  5. Step 5: Solve for x
    x = 106,386,250,394.73/326,853.76
  6. Step 6: Final answer
    x = 325,485.78

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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.