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Finding the Fourth Proportional to 599,634.88, 899,196.30 and 347,089.72

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Solution

The fourth proportional to 599,634.88, 899,196.30 and 347,089.72 is: 520,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,634.88 : 899,196.30 = 347,089.72 : x
  2. Step 2: Convert to fraction form
    599,634.88/899,196.30 = 347,089.72/x
  3. Step 3: Cross multiply
    599,634.88x = 899,196.30 × 347,089.72
  4. Step 4: Simplify right side
    599,634.88x = 312,101,791,992.04
  5. Step 5: Solve for x
    x = 312,101,791,992.04/599,634.88
  6. Step 6: Final answer
    x = 520,486.39

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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.