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Finding the Fourth Proportional to 569,107.10, 853,703.85 and 169,716.70

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Solution

The fourth proportional to 569,107.10, 853,703.85 and 169,716.70 is: 254,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,107.10 : 853,703.85 = 169,716.70 : x
  2. Step 2: Convert to fraction form
    569,107.10/853,703.85 = 169,716.70/x
  3. Step 3: Cross multiply
    569,107.10x = 853,703.85 × 169,716.70
  4. Step 4: Simplify right side
    569,107.10x = 144,887,800,199.30
  5. Step 5: Solve for x
    x = 144,887,800,199.30/569,107.10
  6. Step 6: Final answer
    x = 254,587.93

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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.