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Finding the Fourth Proportional to 569,307.71, 853,932.40 and 169,951.79

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Solution

The fourth proportional to 569,307.71, 853,932.40 and 169,951.79 is: 254,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,307.71 : 853,932.40 = 169,951.79 : x
  2. Step 2: Convert to fraction form
    569,307.71/853,932.40 = 169,951.79/x
  3. Step 3: Cross multiply
    569,307.71x = 853,932.40 × 169,951.79
  4. Step 4: Simplify right side
    569,307.71x = 145,127,339,919.00
  5. Step 5: Solve for x
    x = 145,127,339,919.00/569,307.71
  6. Step 6: Final answer
    x = 254,918.98

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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.