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Finding the Fourth Proportional to 263,457.71, 395,187.53 and 63,777.72

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Solution

The fourth proportional to 263,457.71, 395,187.53 and 63,777.72 is: 95,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,457.71 : 395,187.53 = 63,777.72 : x
  2. Step 2: Convert to fraction form
    263,457.71/395,187.53 = 63,777.72/x
  3. Step 3: Cross multiply
    263,457.71x = 395,187.53 × 63,777.72
  4. Step 4: Simplify right side
    263,457.71x = 25,204,159,316.94
  5. Step 5: Solve for x
    x = 25,204,159,316.94/263,457.71
  6. Step 6: Final answer
    x = 95,666.81

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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.