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Finding the Fourth Proportional to 529,021.43, 793,562.16 and 169,223.88

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Solution

The fourth proportional to 529,021.43, 793,562.16 and 169,223.88 is: 253,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,021.43 : 793,562.16 = 169,223.88 : x
  2. Step 2: Convert to fraction form
    529,021.43/793,562.16 = 169,223.88/x
  3. Step 3: Cross multiply
    529,021.43x = 793,562.16 × 169,223.88
  4. Step 4: Simplify right side
    529,021.43x = 134,289,671,346.83
  5. Step 5: Solve for x
    x = 134,289,671,346.83/529,021.43
  6. Step 6: Final answer
    x = 253,845.43

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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.