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Finding the Fourth Proportional to 295,603.40, 443,145.90 and 177,321.80

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Solution

The fourth proportional to 295,603.40, 443,145.90 and 177,321.80 is: 265,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,603.40 : 443,145.90 = 177,321.80 : x
  2. Step 2: Convert to fraction form
    295,603.40/443,145.90 = 177,321.80/x
  3. Step 3: Cross multiply
    295,603.40x = 443,145.90 × 177,321.80
  4. Step 4: Simplify right side
    295,603.40x = 78,579,428,650.62
  5. Step 5: Solve for x
    x = 78,579,428,650.62/295,603.40
  6. Step 6: Final answer
    x = 265,827.22

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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.