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Finding the Fourth Proportional to 492,887.84, 680,182.80 and 266,532.80

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Solution

The fourth proportional to 492,887.84, 680,182.80 and 266,532.80 is: 367,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,887.84 : 680,182.80 = 266,532.80 : x
  2. Step 2: Convert to fraction form
    492,887.84/680,182.80 = 266,532.80/x
  3. Step 3: Cross multiply
    492,887.84x = 680,182.80 × 266,532.80
  4. Step 4: Simplify right side
    492,887.84x = 181,291,026,195.84
  5. Step 5: Solve for x
    x = 181,291,026,195.84/492,887.84
  6. Step 6: Final answer
    x = 367,813.96

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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.