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Finding the Fourth Proportional to 707,250.88, 976,026.96 and 384,982

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Solution

The fourth proportional to 707,250.88, 976,026.96 and 384,982 is: 531,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,250.88 : 976,026.96 = 384,982 : x
  2. Step 2: Convert to fraction form
    707,250.88/976,026.96 = 384,982/x
  3. Step 3: Cross multiply
    707,250.88x = 976,026.96 × 384,982
  4. Step 4: Simplify right side
    707,250.88x = 375,752,811,114.72
  5. Step 5: Solve for x
    x = 375,752,811,114.72/707,250.88
  6. Step 6: Final answer
    x = 531,286.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.