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Finding the Fourth Proportional to 482,839.50, 666,318.51 and 270,871.50

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Solution

The fourth proportional to 482,839.50, 666,318.51 and 270,871.50 is: 373,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,839.50 : 666,318.51 = 270,871.50 : x
  2. Step 2: Convert to fraction form
    482,839.50/666,318.51 = 270,871.50/x
  3. Step 3: Cross multiply
    482,839.50x = 666,318.51 × 270,871.50
  4. Step 4: Simplify right side
    482,839.50x = 180,486,694,281.47
  5. Step 5: Solve for x
    x = 180,486,694,281.47/482,839.50
  6. Step 6: Final answer
    x = 373,802.67

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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.