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Finding the Fourth Proportional to 400,623.78, 600,071.70 and 377,069.76

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Solution

The fourth proportional to 400,623.78, 600,071.70 and 377,069.76 is: 564,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,623.78 : 600,071.70 = 377,069.76 : x
  2. Step 2: Convert to fraction form
    400,623.78/600,071.70 = 377,069.76/x
  3. Step 3: Cross multiply
    400,623.78x = 600,071.70 × 377,069.76
  4. Step 4: Simplify right side
    400,623.78x = 226,268,891,901.79
  5. Step 5: Solve for x
    x = 226,268,891,901.79/400,623.78
  6. Step 6: Final answer
    x = 564,791.47

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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.