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Finding the Fourth Proportional to 468,947.35, 704,362.62 and 279,777.32

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Solution

The fourth proportional to 468,947.35, 704,362.62 and 279,777.32 is: 420,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,947.35 : 704,362.62 = 279,777.32 : x
  2. Step 2: Convert to fraction form
    468,947.35/704,362.62 = 279,777.32/x
  3. Step 3: Cross multiply
    468,947.35x = 704,362.62 × 279,777.32
  4. Step 4: Simplify right side
    468,947.35x = 197,064,686,300.49
  5. Step 5: Solve for x
    x = 197,064,686,300.49/468,947.35
  6. Step 6: Final answer
    x = 420,227.74

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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.