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Finding the Fourth Proportional to 295,878.40, 443,817.60 and 177,488.80

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Solution

The fourth proportional to 295,878.40, 443,817.60 and 177,488.80 is: 266,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,878.40 : 443,817.60 = 177,488.80 : x
  2. Step 2: Convert to fraction form
    295,878.40/443,817.60 = 177,488.80/x
  3. Step 3: Cross multiply
    295,878.40x = 443,817.60 × 177,488.80
  4. Step 4: Simplify right side
    295,878.40x = 78,772,653,242.88
  5. Step 5: Solve for x
    x = 78,772,653,242.88/295,878.40
  6. Step 6: Final answer
    x = 266,233.20

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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.