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Finding the Fourth Proportional to 504,965.80, 757,861.80 and 501,029.20

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Solution

The fourth proportional to 504,965.80, 757,861.80 and 501,029.20 is: 751,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,965.80 : 757,861.80 = 501,029.20 : x
  2. Step 2: Convert to fraction form
    504,965.80/757,861.80 = 501,029.20/x
  3. Step 3: Cross multiply
    504,965.80x = 757,861.80 × 501,029.20
  4. Step 4: Simplify right side
    504,965.80x = 379,710,891,364.56
  5. Step 5: Solve for x
    x = 379,710,891,364.56/504,965.80
  6. Step 6: Final answer
    x = 751,953.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.