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Finding the Fourth Proportional to 492,777.98, 680,033.54 and 266,423.48

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Solution

The fourth proportional to 492,777.98, 680,033.54 and 266,423.48 is: 367,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,777.98 : 680,033.54 = 266,423.48 : x
  2. Step 2: Convert to fraction form
    492,777.98/680,033.54 = 266,423.48/x
  3. Step 3: Cross multiply
    492,777.98x = 680,033.54 × 266,423.48
  4. Step 4: Simplify right side
    492,777.98x = 181,176,902,059.54
  5. Step 5: Solve for x
    x = 181,176,902,059.54/492,777.98
  6. Step 6: Final answer
    x = 367,664.36

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1.5x scale

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.