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Finding the Fourth Proportional to 273,282.30, 409,710.15 and 173,423.88

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Solution

The fourth proportional to 273,282.30, 409,710.15 and 173,423.88 is: 260,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,282.30 : 409,710.15 = 173,423.88 : x
  2. Step 2: Convert to fraction form
    273,282.30/409,710.15 = 173,423.88/x
  3. Step 3: Cross multiply
    273,282.30x = 409,710.15 × 173,423.88
  4. Step 4: Simplify right side
    273,282.30x = 71,053,523,888.38
  5. Step 5: Solve for x
    x = 71,053,523,888.38/273,282.30
  6. Step 6: Final answer
    x = 260,000.46

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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.