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Finding the Fourth Proportional to 534,776.19, 737,920.98 and 319,837.83

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Solution

The fourth proportional to 534,776.19, 737,920.98 and 319,837.83 is: 441,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,776.19 : 737,920.98 = 319,837.83 : x
  2. Step 2: Convert to fraction form
    534,776.19/737,920.98 = 319,837.83/x
  3. Step 3: Cross multiply
    534,776.19x = 737,920.98 × 319,837.83
  4. Step 4: Simplify right side
    534,776.19x = 236,015,044,954.67
  5. Step 5: Solve for x
    x = 236,015,044,954.67/534,776.19
  6. Step 6: Final answer
    x = 441,334.24

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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.