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Finding the Fourth Proportional to 509,577.76, 703,230.91 and 277,020.38

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Solution

The fourth proportional to 509,577.76, 703,230.91 and 277,020.38 is: 382,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,577.76 : 703,230.91 = 277,020.38 : x
  2. Step 2: Convert to fraction form
    509,577.76/703,230.91 = 277,020.38/x
  3. Step 3: Cross multiply
    509,577.76x = 703,230.91 × 277,020.38
  4. Step 4: Simplify right side
    509,577.76x = 194,809,294,561.88
  5. Step 5: Solve for x
    x = 194,809,294,561.88/509,577.76
  6. Step 6: Final answer
    x = 382,295.52

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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.