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Finding the Fourth Proportional to 504,726.48, 757,060.02 and 189,156.96

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Solution

The fourth proportional to 504,726.48, 757,060.02 and 189,156.96 is: 283,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,726.48 : 757,060.02 = 189,156.96 : x
  2. Step 2: Convert to fraction form
    504,726.48/757,060.02 = 189,156.96/x
  3. Step 3: Cross multiply
    504,726.48x = 757,060.02 × 189,156.96
  4. Step 4: Simplify right side
    504,726.48x = 143,203,171,920.74
  5. Step 5: Solve for x
    x = 143,203,171,920.74/504,726.48
  6. Step 6: Final answer
    x = 283,724.31

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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.