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Finding the Fourth Proportional to 530,486.12, 795,737.60 and 295,323.48

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Solution

The fourth proportional to 530,486.12, 795,737.60 and 295,323.48 is: 442,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,486.12 : 795,737.60 = 295,323.48 : x
  2. Step 2: Convert to fraction form
    530,486.12/795,737.60 = 295,323.48/x
  3. Step 3: Cross multiply
    530,486.12x = 795,737.60 × 295,323.48
  4. Step 4: Simplify right side
    530,486.12x = 234,999,997,198.85
  5. Step 5: Solve for x
    x = 234,999,997,198.85/530,486.12
  6. Step 6: Final answer
    x = 442,989.91

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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.