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Finding the Fourth Proportional to 464,250.16, 640,944.66 and 303,374.44

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Solution

The fourth proportional to 464,250.16, 640,944.66 and 303,374.44 is: 418,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,250.16 : 640,944.66 = 303,374.44 : x
  2. Step 2: Convert to fraction form
    464,250.16/640,944.66 = 303,374.44/x
  3. Step 3: Cross multiply
    464,250.16x = 640,944.66 × 303,374.44
  4. Step 4: Simplify right side
    464,250.16x = 194,446,227,298.49
  5. Step 5: Solve for x
    x = 194,446,227,298.49/464,250.16
  6. Step 6: Final answer
    x = 418,839.33

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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.