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Finding the Fourth Proportional to 380,488.66, 567,375.29 and 377,071.98

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Solution

The fourth proportional to 380,488.66, 567,375.29 and 377,071.98 is: 562,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,488.66 : 567,375.29 = 377,071.98 : x
  2. Step 2: Convert to fraction form
    380,488.66/567,375.29 = 377,071.98/x
  3. Step 3: Cross multiply
    380,488.66x = 567,375.29 × 377,071.98
  4. Step 4: Simplify right side
    380,488.66x = 213,941,324,003.37
  5. Step 5: Solve for x
    x = 213,941,324,003.37/380,488.66
  6. Step 6: Final answer
    x = 562,280.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.