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Finding the Fourth Proportional to 353,847.70, 488,312.98 and 192,703.48

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Solution

The fourth proportional to 353,847.70, 488,312.98 and 192,703.48 is: 265,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,847.70 : 488,312.98 = 192,703.48 : x
  2. Step 2: Convert to fraction form
    353,847.70/488,312.98 = 192,703.48/x
  3. Step 3: Cross multiply
    353,847.70x = 488,312.98 × 192,703.48
  4. Step 4: Simplify right side
    353,847.70x = 94,099,610,575.17
  5. Step 5: Solve for x
    x = 94,099,610,575.17/353,847.70
  6. Step 6: Final answer
    x = 265,932.52

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1.5x scale

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.