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Finding the Fourth Proportional to 493,310.32, 680,768.23 and 266,955.82

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Solution

The fourth proportional to 493,310.32, 680,768.23 and 266,955.82 is: 368,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,310.32 : 680,768.23 = 266,955.82 : x
  2. Step 2: Convert to fraction form
    493,310.32/680,768.23 = 266,955.82/x
  3. Step 3: Cross multiply
    493,310.32x = 680,768.23 × 266,955.82
  4. Step 4: Simplify right side
    493,310.32x = 181,735,041,069.60
  5. Step 5: Solve for x
    x = 181,735,041,069.60/493,310.32
  6. Step 6: Final answer
    x = 368,399.03

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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.