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Finding the Fourth Proportional to 569,307.72, 853,932.40 and 169,951.80

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Solution

The fourth proportional to 569,307.72, 853,932.40 and 169,951.80 is: 254,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,307.72 : 853,932.40 = 169,951.80 : x
  2. Step 2: Convert to fraction form
    569,307.72/853,932.40 = 169,951.80/x
  3. Step 3: Cross multiply
    569,307.72x = 853,932.40 × 169,951.80
  4. Step 4: Simplify right side
    569,307.72x = 145,127,348,458.32
  5. Step 5: Solve for x
    x = 145,127,348,458.32/569,307.72
  6. Step 6: Final answer
    x = 254,918.99

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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.