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Finding the Fourth Proportional to 336,891.40, 504,170.70 and 308,897.80

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Solution

The fourth proportional to 336,891.40, 504,170.70 and 308,897.80 is: 462,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,891.40 : 504,170.70 = 308,897.80 : x
  2. Step 2: Convert to fraction form
    336,891.40/504,170.70 = 308,897.80/x
  3. Step 3: Cross multiply
    336,891.40x = 504,170.70 × 308,897.80
  4. Step 4: Simplify right side
    336,891.40x = 155,737,220,054.46
  5. Step 5: Solve for x
    x = 155,737,220,054.46/336,891.40
  6. Step 6: Final answer
    x = 462,277.22

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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.