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Finding the Fourth Proportional to 479,313.66, 718,970.73 and 163,773.66

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Solution

The fourth proportional to 479,313.66, 718,970.73 and 163,773.66 is: 245,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,313.66 : 718,970.73 = 163,773.66 : x
  2. Step 2: Convert to fraction form
    479,313.66/718,970.73 = 163,773.66/x
  3. Step 3: Cross multiply
    479,313.66x = 718,970.73 × 163,773.66
  4. Step 4: Simplify right side
    479,313.66x = 117,748,467,884.97
  5. Step 5: Solve for x
    x = 117,748,467,884.97/479,313.66
  6. Step 6: Final answer
    x = 245,660.57

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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.