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Finding the Fourth Proportional to 652,300.20, 977,672.70 and 273,220.20

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Solution

The fourth proportional to 652,300.20, 977,672.70 and 273,220.20 is: 409,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,300.20 : 977,672.70 = 273,220.20 : x
  2. Step 2: Convert to fraction form
    652,300.20/977,672.70 = 273,220.20/x
  3. Step 3: Cross multiply
    652,300.20x = 977,672.70 × 273,220.20
  4. Step 4: Simplify right side
    652,300.20x = 267,119,930,628.54
  5. Step 5: Solve for x
    x = 267,119,930,628.54/652,300.20
  6. Step 6: Final answer
    x = 409,504.60

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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.