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Finding the Fourth Proportional to 448,268.40, 672,402.60 and 163,958.40

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Solution

The fourth proportional to 448,268.40, 672,402.60 and 163,958.40 is: 245,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,268.40 : 672,402.60 = 163,958.40 : x
  2. Step 2: Convert to fraction form
    448,268.40/672,402.60 = 163,958.40/x
  3. Step 3: Cross multiply
    448,268.40x = 672,402.60 × 163,958.40
  4. Step 4: Simplify right side
    448,268.40x = 110,246,054,451.84
  5. Step 5: Solve for x
    x = 110,246,054,451.84/448,268.40
  6. Step 6: Final answer
    x = 245,937.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.