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Finding the Fourth Proportional to 467,924.62, 645,736.40 and 253,064.68

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Solution

The fourth proportional to 467,924.62, 645,736.40 and 253,064.68 is: 349,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,924.62 : 645,736.40 = 253,064.68 : x
  2. Step 2: Convert to fraction form
    467,924.62/645,736.40 = 253,064.68/x
  3. Step 3: Cross multiply
    467,924.62x = 645,736.40 × 253,064.68
  4. Step 4: Simplify right side
    467,924.62x = 163,413,075,137.88
  5. Step 5: Solve for x
    x = 163,413,075,137.88/467,924.62
  6. Step 6: Final answer
    x = 349,229.49

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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.