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Finding the Fourth Proportional to 493,312.72, 680,771.48 and 266,958.22

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Solution

The fourth proportional to 493,312.72, 680,771.48 and 266,958.22 is: 368,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,312.72 : 680,771.48 = 266,958.22 : x
  2. Step 2: Convert to fraction form
    493,312.72/680,771.48 = 266,958.22/x
  3. Step 3: Cross multiply
    493,312.72x = 680,771.48 × 266,958.22
  4. Step 4: Simplify right side
    493,312.72x = 181,737,542,527.57
  5. Step 5: Solve for x
    x = 181,737,542,527.57/493,312.72
  6. Step 6: Final answer
    x = 368,402.30

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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.