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Finding the Fourth Proportional to 571,000.48, 855,566.33 and 345,677.97

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Solution

The fourth proportional to 571,000.48, 855,566.33 and 345,677.97 is: 517,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,000.48 : 855,566.33 = 345,677.97 : x
  2. Step 2: Convert to fraction form
    571,000.48/855,566.33 = 345,677.97/x
  3. Step 3: Cross multiply
    571,000.48x = 855,566.33 × 345,677.97
  4. Step 4: Simplify right side
    571,000.48x = 295,750,432,154.75
  5. Step 5: Solve for x
    x = 295,750,432,154.75/571,000.48
  6. Step 6: Final answer
    x = 517,951.28

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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.