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Finding the Fourth Proportional to 271,841.80, 407,762.70 and 177,363.40

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Solution

The fourth proportional to 271,841.80, 407,762.70 and 177,363.40 is: 266,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,841.80 : 407,762.70 = 177,363.40 : x
  2. Step 2: Convert to fraction form
    271,841.80/407,762.70 = 177,363.40/x
  3. Step 3: Cross multiply
    271,841.80x = 407,762.70 × 177,363.40
  4. Step 4: Simplify right side
    271,841.80x = 72,322,178,865.18
  5. Step 5: Solve for x
    x = 72,322,178,865.18/271,841.80
  6. Step 6: Final answer
    x = 266,045.10

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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.