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Finding the Fourth Proportional to 569,307.21, 853,931.66 and 169,951.29

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Solution

The fourth proportional to 569,307.21, 853,931.66 and 169,951.29 is: 254,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,307.21 : 853,931.66 = 169,951.29 : x
  2. Step 2: Convert to fraction form
    569,307.21/853,931.66 = 169,951.29/x
  3. Step 3: Cross multiply
    569,307.21x = 853,931.66 × 169,951.29
  4. Step 4: Simplify right side
    569,307.21x = 145,126,786,339.09
  5. Step 5: Solve for x
    x = 145,126,786,339.09/569,307.21
  6. Step 6: Final answer
    x = 254,918.23

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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.