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Finding the Fourth Proportional to 488,087.10, 731,353.05 and 362,115.90

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Solution

The fourth proportional to 488,087.10, 731,353.05 and 362,115.90 is: 542,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,087.10 : 731,353.05 = 362,115.90 : x
  2. Step 2: Convert to fraction form
    488,087.10/731,353.05 = 362,115.90/x
  3. Step 3: Cross multiply
    488,087.10x = 731,353.05 × 362,115.90
  4. Step 4: Simplify right side
    488,087.10x = 264,834,567,918.50
  5. Step 5: Solve for x
    x = 264,834,567,918.50/488,087.10
  6. Step 6: Final answer
    x = 542,596.94

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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.