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Finding the Fourth Proportional to 504,857.25, 757,280.07 and 145,036.98

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Solution

The fourth proportional to 504,857.25, 757,280.07 and 145,036.98 is: 217,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,857.25 : 757,280.07 = 145,036.98 : x
  2. Step 2: Convert to fraction form
    504,857.25/757,280.07 = 145,036.98/x
  3. Step 3: Cross multiply
    504,857.25x = 757,280.07 × 145,036.98
  4. Step 4: Simplify right side
    504,857.25x = 109,833,614,366.99
  5. Step 5: Solve for x
    x = 109,833,614,366.99/504,857.25
  6. Step 6: Final answer
    x = 217,553.80

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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.