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Finding the Fourth Proportional to 534,775.44, 737,919.95 and 319,837.08

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Solution

The fourth proportional to 534,775.44, 737,919.95 and 319,837.08 is: 441,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,775.44 : 737,919.95 = 319,837.08 : x
  2. Step 2: Convert to fraction form
    534,775.44/737,919.95 = 319,837.08/x
  3. Step 3: Cross multiply
    534,775.44x = 737,919.95 × 319,837.08
  4. Step 4: Simplify right side
    534,775.44x = 236,014,160,482.56
  5. Step 5: Solve for x
    x = 236,014,160,482.56/534,775.44
  6. Step 6: Final answer
    x = 441,333.21

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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.