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Finding the Fourth Proportional to 508,300.63, 762,046.31 and 251,952.77

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Solution

The fourth proportional to 508,300.63, 762,046.31 and 251,952.77 is: 377,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,300.63 : 762,046.31 = 251,952.77 : x
  2. Step 2: Convert to fraction form
    508,300.63/762,046.31 = 251,952.77/x
  3. Step 3: Cross multiply
    508,300.63x = 762,046.31 × 251,952.77
  4. Step 4: Simplify right side
    508,300.63x = 191,999,681,207.78
  5. Step 5: Solve for x
    x = 191,999,681,207.78/508,300.63
  6. Step 6: Final answer
    x = 377,728.59

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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.