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Finding the Fourth Proportional to 491,614.04, 678,492.04 and 276,795.96

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Solution

The fourth proportional to 491,614.04, 678,492.04 and 276,795.96 is: 382,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,614.04 : 678,492.04 = 276,795.96 : x
  2. Step 2: Convert to fraction form
    491,614.04/678,492.04 = 276,795.96/x
  3. Step 3: Cross multiply
    491,614.04x = 678,492.04 × 276,795.96
  4. Step 4: Simplify right side
    491,614.04x = 187,803,855,564.16
  5. Step 5: Solve for x
    x = 187,803,855,564.16/491,614.04
  6. Step 6: Final answer
    x = 382,014.83

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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.