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Finding the Fourth Proportional to 492,428.34, 679,550.04 and 266,073.84

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Solution

The fourth proportional to 492,428.34, 679,550.04 and 266,073.84 is: 367,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,428.34 : 679,550.04 = 266,073.84 : x
  2. Step 2: Convert to fraction form
    492,428.34/679,550.04 = 266,073.84/x
  3. Step 3: Cross multiply
    492,428.34x = 679,550.04 × 266,073.84
  4. Step 4: Simplify right side
    492,428.34x = 180,810,488,614.95
  5. Step 5: Solve for x
    x = 180,810,488,614.95/492,428.34
  6. Step 6: Final answer
    x = 367,181.32

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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.