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Finding the Fourth Proportional to 482,767.40, 724,323.90 and 202,370.60

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Solution

The fourth proportional to 482,767.40, 724,323.90 and 202,370.60 is: 303,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,767.40 : 724,323.90 = 202,370.60 : x
  2. Step 2: Convert to fraction form
    482,767.40/724,323.90 = 202,370.60/x
  3. Step 3: Cross multiply
    482,767.40x = 724,323.90 × 202,370.60
  4. Step 4: Simplify right side
    482,767.40x = 146,581,862,237.34
  5. Step 5: Solve for x
    x = 146,581,862,237.34/482,767.40
  6. Step 6: Final answer
    x = 303,628.34

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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.