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Finding the Fourth Proportional to 335,630.58, 503,445.87 and 315,101.94

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Solution

The fourth proportional to 335,630.58, 503,445.87 and 315,101.94 is: 472,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,630.58 : 503,445.87 = 315,101.94 : x
  2. Step 2: Convert to fraction form
    335,630.58/503,445.87 = 315,101.94/x
  3. Step 3: Cross multiply
    335,630.58x = 503,445.87 × 315,101.94
  4. Step 4: Simplify right side
    335,630.58x = 158,636,770,321.99
  5. Step 5: Solve for x
    x = 158,636,770,321.99/335,630.58
  6. Step 6: Final answer
    x = 472,652.91

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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.