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Finding the Fourth Proportional to 652,315.20, 977,695.20 and 273,235.20

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Solution

The fourth proportional to 652,315.20, 977,695.20 and 273,235.20 is: 409,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,315.20 : 977,695.20 = 273,235.20 : x
  2. Step 2: Convert to fraction form
    652,315.20/977,695.20 = 273,235.20/x
  3. Step 3: Cross multiply
    652,315.20x = 977,695.20 × 273,235.20
  4. Step 4: Simplify right side
    652,315.20x = 267,140,743,511.04
  5. Step 5: Solve for x
    x = 267,140,743,511.04/652,315.20
  6. Step 6: Final answer
    x = 409,527.09

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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.