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Finding the Fourth Proportional to 569,356.30, 853,487.70 and 329,223.70

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Solution

The fourth proportional to 569,356.30, 853,487.70 and 329,223.70 is: 493,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,356.30 : 853,487.70 = 329,223.70 : x
  2. Step 2: Convert to fraction form
    569,356.30/853,487.70 = 329,223.70/x
  3. Step 3: Cross multiply
    569,356.30x = 853,487.70 × 329,223.70
  4. Step 4: Simplify right side
    569,356.30x = 280,988,378,498.49
  5. Step 5: Solve for x
    x = 280,988,378,498.49/569,356.30
  6. Step 6: Final answer
    x = 493,519.40

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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.