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Finding the Fourth Proportional to 571,093.40, 856,037.29 and 191,654.37

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Solution

The fourth proportional to 571,093.40, 856,037.29 and 191,654.37 is: 287,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,093.40 : 856,037.29 = 191,654.37 : x
  2. Step 2: Convert to fraction form
    571,093.40/856,037.29 = 191,654.37/x
  3. Step 3: Cross multiply
    571,093.40x = 856,037.29 × 191,654.37
  4. Step 4: Simplify right side
    571,093.40x = 164,063,287,511.46
  5. Step 5: Solve for x
    x = 164,063,287,511.46/571,093.40
  6. Step 6: Final answer
    x = 287,279.26

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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.