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Finding the Fourth Proportional to 492,794.32, 680,057.18 and 266,439.82

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Solution

The fourth proportional to 492,794.32, 680,057.18 and 266,439.82 is: 367,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,794.32 : 680,057.18 = 266,439.82 : x
  2. Step 2: Convert to fraction form
    492,794.32/680,057.18 = 266,439.82/x
  3. Step 3: Cross multiply
    492,794.32x = 680,057.18 × 266,439.82
  4. Step 4: Simplify right side
    492,794.32x = 181,194,312,628.91
  5. Step 5: Solve for x
    x = 181,194,312,628.91/492,794.32
  6. Step 6: Final answer
    x = 367,687.50

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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.