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Finding the Fourth Proportional to 295,811.40, 443,457.90 and 177,529.80

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Solution

The fourth proportional to 295,811.40, 443,457.90 and 177,529.80 is: 266,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,811.40 : 443,457.90 = 177,529.80 : x
  2. Step 2: Convert to fraction form
    295,811.40/443,457.90 = 177,529.80/x
  3. Step 3: Cross multiply
    295,811.40x = 443,457.90 × 177,529.80
  4. Step 4: Simplify right side
    295,811.40x = 78,726,992,295.42
  5. Step 5: Solve for x
    x = 78,726,992,295.42/295,811.40
  6. Step 6: Final answer
    x = 266,139.14

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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.