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Finding the Fourth Proportional to 482,628.01, 666,017.79 and 267,763.47

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Solution

The fourth proportional to 482,628.01, 666,017.79 and 267,763.47 is: 369,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,628.01 : 666,017.79 = 267,763.47 : x
  2. Step 2: Convert to fraction form
    482,628.01/666,017.79 = 267,763.47/x
  3. Step 3: Cross multiply
    482,628.01x = 666,017.79 × 267,763.47
  4. Step 4: Simplify right side
    482,628.01x = 178,335,234,532.13
  5. Step 5: Solve for x
    x = 178,335,234,532.13/482,628.01
  6. Step 6: Final answer
    x = 369,508.67

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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.