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Finding the Fourth Proportional to 504,890.27, 757,112.65 and 189,125.63

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Solution

The fourth proportional to 504,890.27, 757,112.65 and 189,125.63 is: 283,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,890.27 : 757,112.65 = 189,125.63 : x
  2. Step 2: Convert to fraction form
    504,890.27/757,112.65 = 189,125.63/x
  3. Step 3: Cross multiply
    504,890.27x = 757,112.65 × 189,125.63
  4. Step 4: Simplify right side
    504,890.27x = 143,189,402,653.84
  5. Step 5: Solve for x
    x = 143,189,402,653.84/504,890.27
  6. Step 6: Final answer
    x = 283,605.00

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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.