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Finding the Fourth Proportional to 353,846.70, 488,311.59 and 192,702.48

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Solution

The fourth proportional to 353,846.70, 488,311.59 and 192,702.48 is: 265,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,846.70 : 488,311.59 = 192,702.48 : x
  2. Step 2: Convert to fraction form
    353,846.70/488,311.59 = 192,702.48/x
  3. Step 3: Cross multiply
    353,846.70x = 488,311.59 × 192,702.48
  4. Step 4: Simplify right side
    353,846.70x = 94,098,854,405.74
  5. Step 5: Solve for x
    x = 94,098,854,405.74/353,846.70
  6. Step 6: Final answer
    x = 265,931.13

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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.