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Finding the Fourth Proportional to 501,440.42, 751,453.38 and 276,901.94

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Solution

The fourth proportional to 501,440.42, 751,453.38 and 276,901.94 is: 414,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,440.42 : 751,453.38 = 276,901.94 : x
  2. Step 2: Convert to fraction form
    501,440.42/751,453.38 = 276,901.94/x
  3. Step 3: Cross multiply
    501,440.42x = 751,453.38 × 276,901.94
  4. Step 4: Simplify right side
    501,440.42x = 208,078,898,741.56
  5. Step 5: Solve for x
    x = 208,078,898,741.56/501,440.42
  6. Step 6: Final answer
    x = 414,962.36

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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.