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Finding the Fourth Proportional to 569,038.40, 851,714.40 and 443,700.80

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Solution

The fourth proportional to 569,038.40, 851,714.40 and 443,700.80 is: 664,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,038.40 : 851,714.40 = 443,700.80 : x
  2. Step 2: Convert to fraction form
    569,038.40/851,714.40 = 443,700.80/x
  3. Step 3: Cross multiply
    569,038.40x = 851,714.40 × 443,700.80
  4. Step 4: Simplify right side
    569,038.40x = 377,906,360,651.52
  5. Step 5: Solve for x
    x = 377,906,360,651.52/569,038.40
  6. Step 6: Final answer
    x = 664,113.99

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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.