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Finding the Fourth Proportional to 437,726.46, 604,343.64 and 274,606.60

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Solution

The fourth proportional to 437,726.46, 604,343.64 and 274,606.60 is: 379,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,726.46 : 604,343.64 = 274,606.60 : x
  2. Step 2: Convert to fraction form
    437,726.46/604,343.64 = 274,606.60/x
  3. Step 3: Cross multiply
    437,726.46x = 604,343.64 × 274,606.60
  4. Step 4: Simplify right side
    437,726.46x = 165,956,752,212.02
  5. Step 5: Solve for x
    x = 165,956,752,212.02/437,726.46
  6. Step 6: Final answer
    x = 379,133.47

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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.