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Finding the Fourth Proportional to 479,182.35, 718,773.53 and 353,211.15

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Solution

The fourth proportional to 479,182.35, 718,773.53 and 353,211.15 is: 529,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,182.35 : 718,773.53 = 353,211.15 : x
  2. Step 2: Convert to fraction form
    479,182.35/718,773.53 = 353,211.15/x
  3. Step 3: Cross multiply
    479,182.35x = 718,773.53 × 353,211.15
  4. Step 4: Simplify right side
    479,182.35x = 253,878,823,354.80
  5. Step 5: Solve for x
    x = 253,878,823,354.80/479,182.35
  6. Step 6: Final answer
    x = 529,816.73

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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.