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Finding the Fourth Proportional to 336,045.30, 503,739.90 and 300,615.90

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Solution

The fourth proportional to 336,045.30, 503,739.90 and 300,615.90 is: 450,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,045.30 : 503,739.90 = 300,615.90 : x
  2. Step 2: Convert to fraction form
    336,045.30/503,739.90 = 300,615.90/x
  3. Step 3: Cross multiply
    336,045.30x = 503,739.90 × 300,615.90
  4. Step 4: Simplify right side
    336,045.30x = 151,432,223,404.41
  5. Step 5: Solve for x
    x = 151,432,223,404.41/336,045.30
  6. Step 6: Final answer
    x = 450,630.39

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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.