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Finding the Fourth Proportional to 606,758.72, 905,524.32 and 539,500.80

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Solution

The fourth proportional to 606,758.72, 905,524.32 and 539,500.80 is: 805,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,758.72 : 905,524.32 = 539,500.80 : x
  2. Step 2: Convert to fraction form
    606,758.72/905,524.32 = 539,500.80/x
  3. Step 3: Cross multiply
    606,758.72x = 905,524.32 × 539,500.80
  4. Step 4: Simplify right side
    606,758.72x = 488,531,095,059.46
  5. Step 5: Solve for x
    x = 488,531,095,059.46/606,758.72
  6. Step 6: Final answer
    x = 805,148.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.