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Finding the Fourth Proportional to 493,314.72, 680,774.24 and 266,960.22

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Solution

The fourth proportional to 493,314.72, 680,774.24 and 266,960.22 is: 368,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,314.72 : 680,774.24 = 266,960.22 : x
  2. Step 2: Convert to fraction form
    493,314.72/680,774.24 = 266,960.22/x
  3. Step 3: Cross multiply
    493,314.72x = 680,774.24 × 266,960.22
  4. Step 4: Simplify right side
    493,314.72x = 181,739,640,880.73
  5. Step 5: Solve for x
    x = 181,739,640,880.73/493,314.72
  6. Step 6: Final answer
    x = 368,405.06

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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.