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Finding the Fourth Proportional to 353,754.34, 488,176.41 and 192,607.54

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Solution

The fourth proportional to 353,754.34, 488,176.41 and 192,607.54 is: 265,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,754.34 : 488,176.41 = 192,607.54 : x
  2. Step 2: Convert to fraction form
    353,754.34/488,176.41 = 192,607.54/x
  3. Step 3: Cross multiply
    353,754.34x = 488,176.41 × 192,607.54
  4. Step 4: Simplify right side
    353,754.34x = 94,026,457,416.13
  5. Step 5: Solve for x
    x = 94,026,457,416.13/353,754.34
  6. Step 6: Final answer
    x = 265,795.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.