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Finding the Fourth Proportional to 335,087.10, 502,630.65 and 235,359.90

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Solution

The fourth proportional to 335,087.10, 502,630.65 and 235,359.90 is: 353,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,087.10 : 502,630.65 = 235,359.90 : x
  2. Step 2: Convert to fraction form
    335,087.10/502,630.65 = 235,359.90/x
  3. Step 3: Cross multiply
    335,087.10x = 502,630.65 × 235,359.90
  4. Step 4: Simplify right side
    335,087.10x = 118,299,099,520.94
  5. Step 5: Solve for x
    x = 118,299,099,520.94/335,087.10
  6. Step 6: Final answer
    x = 353,039.85

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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.