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Finding the Fourth Proportional to 376,663.36, 565,072.80 and 110,432.56

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Solution

The fourth proportional to 376,663.36, 565,072.80 and 110,432.56 is: 165,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,663.36 : 565,072.80 = 110,432.56 : x
  2. Step 2: Convert to fraction form
    376,663.36/565,072.80 = 110,432.56/x
  3. Step 3: Cross multiply
    376,663.36x = 565,072.80 × 110,432.56
  4. Step 4: Simplify right side
    376,663.36x = 62,402,435,890.37
  5. Step 5: Solve for x
    x = 62,402,435,890.37/376,663.36
  6. Step 6: Final answer
    x = 165,671.64

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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.