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Finding the Fourth Proportional to 482,914.60, 724,371.90 and 246,718.60

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Solution

The fourth proportional to 482,914.60, 724,371.90 and 246,718.60 is: 370,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,914.60 : 724,371.90 = 246,718.60 : x
  2. Step 2: Convert to fraction form
    482,914.60/724,371.90 = 246,718.60/x
  3. Step 3: Cross multiply
    482,914.60x = 724,371.90 × 246,718.60
  4. Step 4: Simplify right side
    482,914.60x = 178,716,021,047.34
  5. Step 5: Solve for x
    x = 178,716,021,047.34/482,914.60
  6. Step 6: Final answer
    x = 370,077.90

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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.