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Finding the Fourth Proportional to 436,172.40, 601,914.60 and 242,581.80

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Solution

The fourth proportional to 436,172.40, 601,914.60 and 242,581.80 is: 334,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,172.40 : 601,914.60 = 242,581.80 : x
  2. Step 2: Convert to fraction form
    436,172.40/601,914.60 = 242,581.80/x
  3. Step 3: Cross multiply
    436,172.40x = 601,914.60 × 242,581.80
  4. Step 4: Simplify right side
    436,172.40x = 146,013,527,114.28
  5. Step 5: Solve for x
    x = 146,013,527,114.28/436,172.40
  6. Step 6: Final answer
    x = 334,761.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.