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Finding the Fourth Proportional to 679,110.50, 937,201.65 and 377,304.50

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Solution

The fourth proportional to 679,110.50, 937,201.65 and 377,304.50 is: 520,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,110.50 : 937,201.65 = 377,304.50 : x
  2. Step 2: Convert to fraction form
    679,110.50/937,201.65 = 377,304.50/x
  3. Step 3: Cross multiply
    679,110.50x = 937,201.65 × 377,304.50
  4. Step 4: Simplify right side
    679,110.50x = 353,610,399,952.43
  5. Step 5: Solve for x
    x = 353,610,399,952.43/679,110.50
  6. Step 6: Final answer
    x = 520,696.41

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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.